<?xml version="1.0" encoding="UTF-8"?>

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2025 Workiva-->
<!--r:e54aa4c6-c9e3-41fb-b569-cb01b16bde18,g:10891865-92ff-4846-8c13-8a0411dcf6f0-->
<link:linkbase xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
  <link:roleRef roleURI="http://www.bentley.com/role/ConsolidatedBalanceSheets" xlink:type="simple" xlink:href="bsy-20250930.xsd#ConsolidatedBalanceSheets"/>
  <link:calculationLink xlink:role="http://www.bentley.com/role/ConsolidatedBalanceSheets" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesCurrent_eae064e2-9352-4b9a-970f-b207962f98a5" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LiabilitiesCurrent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerLiabilityCurrent_6d17e4a9-5639-4f01-ba53-ccf78857474c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ContractWithCustomerLiabilityCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_eae064e2-9352-4b9a-970f-b207962f98a5" xlink:to="loc_us-gaap_ContractWithCustomerLiabilityCurrent_6d17e4a9-5639-4f01-ba53-ccf78857474c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiabilityCurrent_163f25a8-83d8-4900-b0ef-c20b25d5166b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OperatingLeaseLiabilityCurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_eae064e2-9352-4b9a-970f-b207962f98a5" xlink:to="loc_us-gaap_OperatingLeaseLiabilityCurrent_163f25a8-83d8-4900-b0ef-c20b25d5166b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccruedIncomeTaxesCurrent_d4f7aa9b-4145-4848-b88a-724f4471f634" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccruedIncomeTaxesCurrent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_eae064e2-9352-4b9a-970f-b207962f98a5" xlink:to="loc_us-gaap_AccruedIncomeTaxesCurrent_d4f7aa9b-4145-4848-b88a-724f4471f634" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsPayableCurrent_799d05b6-a023-4717-8c5c-73f9f9bfd205" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccountsPayableCurrent"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_eae064e2-9352-4b9a-970f-b207962f98a5" xlink:to="loc_us-gaap_AccountsPayableCurrent_799d05b6-a023-4717-8c5c-73f9f9bfd205" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccruedLiabilitiesCurrent_1d433c4d-524d-4055-af21-42127a19a32f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccruedLiabilitiesCurrent"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_eae064e2-9352-4b9a-970f-b207962f98a5" xlink:to="loc_us-gaap_AccruedLiabilitiesCurrent_1d433c4d-524d-4055-af21-42127a19a32f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DepositLiabilityCurrent_33dd4370-64bb-4149-8f9c-315a10ac850e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DepositLiabilityCurrent"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_eae064e2-9352-4b9a-970f-b207962f98a5" xlink:to="loc_us-gaap_DepositLiabilityCurrent_33dd4370-64bb-4149-8f9c-315a10ac850e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtCurrent_923ce71b-14f9-48a6-87f5-378c136df177" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongTermDebtCurrent"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_eae064e2-9352-4b9a-970f-b207962f98a5" xlink:to="loc_us-gaap_LongTermDebtCurrent_923ce71b-14f9-48a6-87f5-378c136df177" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Assets_b6c15ad5-73aa-4971-8088-7641ea6de46e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_Assets"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssetsNoncurrent_2456deb0-dfcf-4a49-9519-cfc8ff6b2791" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherAssetsNoncurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_b6c15ad5-73aa-4971-8088-7641ea6de46e" xlink:to="loc_us-gaap_OtherAssetsNoncurrent_2456deb0-dfcf-4a49-9519-cfc8ff6b2791" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_6b1a764f-2a1b-4db0-aac0-ba0d19884042" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IntangibleAssetsNetExcludingGoodwill"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_b6c15ad5-73aa-4971-8088-7641ea6de46e" xlink:to="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_6b1a764f-2a1b-4db0-aac0-ba0d19884042" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Investments_181f03b7-2b94-4f6e-811b-93c0ec173d0f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_Investments"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_b6c15ad5-73aa-4971-8088-7641ea6de46e" xlink:to="loc_us-gaap_Investments_181f03b7-2b94-4f6e-811b-93c0ec173d0f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsCurrent_1c245d6a-9527-48b5-a27c-d6ca52017bc9" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AssetsCurrent"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_b6c15ad5-73aa-4971-8088-7641ea6de46e" xlink:to="loc_us-gaap_AssetsCurrent_1c245d6a-9527-48b5-a27c-d6ca52017bc9" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseRightOfUseAsset_e3487e7b-5977-4f92-a354-4248b83b4d01" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OperatingLeaseRightOfUseAsset"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_b6c15ad5-73aa-4971-8088-7641ea6de46e" xlink:to="loc_us-gaap_OperatingLeaseRightOfUseAsset_e3487e7b-5977-4f92-a354-4248b83b4d01" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxAssetsNet_a07155fc-4965-4659-852f-974430e2c11a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredIncomeTaxAssetsNet"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_b6c15ad5-73aa-4971-8088-7641ea6de46e" xlink:to="loc_us-gaap_DeferredIncomeTaxAssetsNet_a07155fc-4965-4659-852f-974430e2c11a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Goodwill_4c1bf518-937a-42b5-aed3-74142ca2bef5" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_Goodwill"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_b6c15ad5-73aa-4971-8088-7641ea6de46e" xlink:to="loc_us-gaap_Goodwill_4c1bf518-937a-42b5-aed3-74142ca2bef5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization_e6e82a34-a7c4-4bc9-b27f-40b728c9aea3" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization"/>
    <link:calculationArc order="8" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_b6c15ad5-73aa-4971-8088-7641ea6de46e" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization_e6e82a34-a7c4-4bc9-b27f-40b728c9aea3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsCurrent_c4d69854-13f9-43bc-a6dd-8bb16f6febcf" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AssetsCurrent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_82669fcb-d92c-4031-95c1-582212ec7105" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_c4d69854-13f9-43bc-a6dd-8bb16f6febcf" xlink:to="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_82669fcb-d92c-4031-95c1-582212ec7105" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsReceivableGrossCurrent_d0525e0e-713f-4c2a-a74c-2d0b801b391b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccountsReceivableGrossCurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_c4d69854-13f9-43bc-a6dd-8bb16f6febcf" xlink:to="loc_us-gaap_AccountsReceivableGrossCurrent_d0525e0e-713f-4c2a-a74c-2d0b801b391b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_17d97fce-acd7-41e2-9d93-949166ba8d4b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PrepaidExpenseAndOtherAssetsCurrent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_c4d69854-13f9-43bc-a6dd-8bb16f6febcf" xlink:to="loc_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_17d97fce-acd7-41e2-9d93-949166ba8d4b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PrepaidTaxes_e819aa56-b717-42e7-a9c5-df866583ae84" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PrepaidTaxes"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_c4d69854-13f9-43bc-a6dd-8bb16f6febcf" xlink:to="loc_us-gaap_PrepaidTaxes_e819aa56-b717-42e7-a9c5-df866583ae84" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_7720558a-642c-4547-b9bf-46d01597a130" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_c4d69854-13f9-43bc-a6dd-8bb16f6febcf" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_7720558a-642c-4547-b9bf-46d01597a130" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Liabilities_896b85d3-3689-4984-8062-b94b81a3e5f9" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_Liabilities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesCurrent_cb13ff11-ac90-412e-84f7-f70c0698f4ec" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LiabilitiesCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_896b85d3-3689-4984-8062-b94b81a3e5f9" xlink:to="loc_us-gaap_LiabilitiesCurrent_cb13ff11-ac90-412e-84f7-f70c0698f4ec" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_7184be92-ae89-4ef1-8760-a7e3370df28c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OperatingLeaseLiabilityNoncurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_896b85d3-3689-4984-8062-b94b81a3e5f9" xlink:to="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_7184be92-ae89-4ef1-8760-a7e3370df28c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherLiabilitiesNoncurrent_c634c079-d247-433c-b40b-36b482db5b4e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherLiabilitiesNoncurrent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_896b85d3-3689-4984-8062-b94b81a3e5f9" xlink:to="loc_us-gaap_OtherLiabilitiesNoncurrent_c634c079-d247-433c-b40b-36b482db5b4e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerLiabilityNoncurrent_b1291842-85d5-44a3-8e6c-c72a3711b00d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ContractWithCustomerLiabilityNoncurrent"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_896b85d3-3689-4984-8062-b94b81a3e5f9" xlink:to="loc_us-gaap_ContractWithCustomerLiabilityNoncurrent_b1291842-85d5-44a3-8e6c-c72a3711b00d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtNoncurrent_0cf83d34-4364-4915-969d-e9b434388f5f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongTermDebtNoncurrent"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_896b85d3-3689-4984-8062-b94b81a3e5f9" xlink:to="loc_us-gaap_LongTermDebtNoncurrent_0cf83d34-4364-4915-969d-e9b434388f5f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccruedIncomeTaxesNoncurrent_699969d2-9dc1-48e6-8812-d3341e9f5dc3" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccruedIncomeTaxesNoncurrent"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_896b85d3-3689-4984-8062-b94b81a3e5f9" xlink:to="loc_us-gaap_AccruedIncomeTaxesNoncurrent_699969d2-9dc1-48e6-8812-d3341e9f5dc3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxLiabilitiesNet_16f56b94-eb16-41bf-81d6-edb1b6799169" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredIncomeTaxLiabilitiesNet"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_896b85d3-3689-4984-8062-b94b81a3e5f9" xlink:to="loc_us-gaap_DeferredIncomeTaxLiabilitiesNet_16f56b94-eb16-41bf-81d6-edb1b6799169" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredCompensationLiabilityClassifiedNoncurrent_54f3786d-ee10-45af-af32-c8092d9c2f6c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredCompensationLiabilityClassifiedNoncurrent"/>
    <link:calculationArc order="8" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_896b85d3-3689-4984-8062-b94b81a3e5f9" xlink:to="loc_us-gaap_DeferredCompensationLiabilityClassifiedNoncurrent_54f3786d-ee10-45af-af32-c8092d9c2f6c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_e1d7ec5e-6be4-4d3f-bc9c-cbcf1a09c533" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_e8fcb6b2-bf07-4b39-880a-65ed5d079f52" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StockholdersEquity"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_e1d7ec5e-6be4-4d3f-bc9c-cbcf1a09c533" xlink:to="loc_us-gaap_StockholdersEquity_e8fcb6b2-bf07-4b39-880a-65ed5d079f52" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MinorityInterest_3caf3538-2a20-4e8e-82cc-79261d604404" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_MinorityInterest"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_e1d7ec5e-6be4-4d3f-bc9c-cbcf1a09c533" xlink:to="loc_us-gaap_MinorityInterest_3caf3538-2a20-4e8e-82cc-79261d604404" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquity_08c255da-021c-4446-8a7b-13bf8b3564dd" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LiabilitiesAndStockholdersEquity"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Liabilities_844668f9-7c80-4e61-8305-ab27f9fc58a7" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_Liabilities"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_08c255da-021c-4446-8a7b-13bf8b3564dd" xlink:to="loc_us-gaap_Liabilities_844668f9-7c80-4e61-8305-ab27f9fc58a7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_c5a132d2-8559-45d7-b252-c543d027eb0f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_08c255da-021c-4446-8a7b-13bf8b3564dd" xlink:to="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_c5a132d2-8559-45d7-b252-c543d027eb0f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommitmentsAndContingencies_511b5f22-57a8-4299-8d98-996105a061bb" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CommitmentsAndContingencies"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_08c255da-021c-4446-8a7b-13bf8b3564dd" xlink:to="loc_us-gaap_CommitmentsAndContingencies_511b5f22-57a8-4299-8d98-996105a061bb" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_c8e104f5-5bd1-42aa-be24-cbd95f5a44c8" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StockholdersEquity"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockValue_4d553355-93fe-4f9d-9926-3f92956d46a2" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CommonStockValue"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_c8e104f5-5bd1-42aa-be24-cbd95f5a44c8" xlink:to="loc_us-gaap_CommonStockValue_4d553355-93fe-4f9d-9926-3f92956d46a2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdditionalPaidInCapital_b1ba0932-9b9e-4970-ae4c-2753e3f9bd68" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AdditionalPaidInCapital"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_c8e104f5-5bd1-42aa-be24-cbd95f5a44c8" xlink:to="loc_us-gaap_AdditionalPaidInCapital_b1ba0932-9b9e-4970-ae4c-2753e3f9bd68" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetainedEarningsAccumulatedDeficit_64558d9b-f236-4191-8b0e-55fc9faaf297" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RetainedEarningsAccumulatedDeficit"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_c8e104f5-5bd1-42aa-be24-cbd95f5a44c8" xlink:to="loc_us-gaap_RetainedEarningsAccumulatedDeficit_64558d9b-f236-4191-8b0e-55fc9faaf297" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_ce60588c-a06d-4d97-abde-e2d2eef48534" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_c8e104f5-5bd1-42aa-be24-cbd95f5a44c8" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_ce60588c-a06d-4d97-abde-e2d2eef48534" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockValue_d2e75f20-fa93-422d-a5a8-96ac9f1b789a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PreferredStockValue"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_c8e104f5-5bd1-42aa-be24-cbd95f5a44c8" xlink:to="loc_us-gaap_PreferredStockValue_d2e75f20-fa93-422d-a5a8-96ac9f1b789a" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.bentley.com/role/ConsolidatedStatementsofOperations" xlink:type="simple" xlink:href="bsy-20250930.xsd#ConsolidatedStatementsofOperations"/>
  <link:calculationLink xlink:role="http://www.bentley.com/role/ConsolidatedStatementsofOperations" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProfitLoss_1d92fe11-9bf8-462b-a981-b3dd15e699c6" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ProfitLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_42517a73-0fd5-42ae-b62b-e2e02295ed29" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ProfitLoss_1d92fe11-9bf8-462b-a981-b3dd15e699c6" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_42517a73-0fd5-42ae-b62b-e2e02295ed29" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromEquityMethodInvestments_aed07530-6a0c-4d1d-b8e4-740fa859730a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeLossFromEquityMethodInvestments"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ProfitLoss_1d92fe11-9bf8-462b-a981-b3dd15e699c6" xlink:to="loc_us-gaap_IncomeLossFromEquityMethodInvestments_aed07530-6a0c-4d1d-b8e4-740fa859730a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_4c46418c-74b9-4475-ab69-15ed9a036e55" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeTaxExpenseBenefit"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ProfitLoss_1d92fe11-9bf8-462b-a981-b3dd15e699c6" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_4c46418c-74b9-4475-ab69-15ed9a036e55" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingIncomeLoss_b76da526-1f3c-4b9b-97df-e33e1beef33a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OperatingIncomeLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GrossProfit_afe9e6d6-9ce8-4d3b-945d-c01f059468ab" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_GrossProfit"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_b76da526-1f3c-4b9b-97df-e33e1beef33a" xlink:to="loc_us-gaap_GrossProfit_afe9e6d6-9ce8-4d3b-945d-c01f059468ab" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingExpenses_8b810cd5-d53f-4c43-8cd5-cc54a9fe4ef6" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OperatingExpenses"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_b76da526-1f3c-4b9b-97df-e33e1beef33a" xlink:to="loc_us-gaap_OperatingExpenses_8b810cd5-d53f-4c43-8cd5-cc54a9fe4ef6" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GrossProfit_83414f4a-426e-4b8d-8518-1f3001bedbb1" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_GrossProfit"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostOfRevenue_3082ec33-9cf6-4324-9e9f-358fe6e8228c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CostOfRevenue"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_GrossProfit_83414f4a-426e-4b8d-8518-1f3001bedbb1" xlink:to="loc_us-gaap_CostOfRevenue_3082ec33-9cf6-4324-9e9f-358fe6e8228c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_ff354e67-9d2d-4f3d-af0e-e044e9c8c1d1" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_GrossProfit_83414f4a-426e-4b8d-8518-1f3001bedbb1" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_ff354e67-9d2d-4f3d-af0e-e044e9c8c1d1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_a8086400-bca3-4a56-a818-a57b4500eb19" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingIncomeLoss_970aa81c-b3ef-4c9f-990d-59350f02b497" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OperatingIncomeLoss"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_a8086400-bca3-4a56-a818-a57b4500eb19" xlink:to="loc_us-gaap_OperatingIncomeLoss_970aa81c-b3ef-4c9f-990d-59350f02b497" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestIncomeExpenseNonoperatingNet_e1f6ab27-ad37-45cd-97f7-7db64a2ac665" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InterestIncomeExpenseNonoperatingNet"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_a8086400-bca3-4a56-a818-a57b4500eb19" xlink:to="loc_us-gaap_InterestIncomeExpenseNonoperatingNet_e1f6ab27-ad37-45cd-97f7-7db64a2ac665" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNonoperatingIncomeExpense_c4e2d1b7-73e2-4ef8-b9b1-98af890339cf" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherNonoperatingIncomeExpense"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_a8086400-bca3-4a56-a818-a57b4500eb19" xlink:to="loc_us-gaap_OtherNonoperatingIncomeExpense_c4e2d1b7-73e2-4ef8-b9b1-98af890339cf" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_0cf20dce-28f0-4140-a1eb-942c6c974b3c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetIncomeLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProfitLoss_87d210f2-3dbe-4afe-9604-e40e72f6f38d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ProfitLoss"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_0cf20dce-28f0-4140-a1eb-942c6c974b3c" xlink:to="loc_us-gaap_ProfitLoss_87d210f2-3dbe-4afe-9604-e40e72f6f38d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_53f5f908-8a18-4f9a-952d-a8e027fdd189" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetIncomeLossAttributableToNoncontrollingInterest"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_0cf20dce-28f0-4140-a1eb-942c6c974b3c" xlink:to="loc_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_53f5f908-8a18-4f9a-952d-a8e027fdd189" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingExpenses_77dd38cf-2eae-4644-b5f6-113523beda75" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OperatingExpenses"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AmortizationOfIntangibleAssets_22ad5b4f-c7da-484c-8be5-9f285b11b231" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AmortizationOfIntangibleAssets"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingExpenses_77dd38cf-2eae-4644-b5f6-113523beda75" xlink:to="loc_us-gaap_AmortizationOfIntangibleAssets_22ad5b4f-c7da-484c-8be5-9f285b11b231" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredCompensationArrangementWithIndividualCompensationExpense_3c93caf6-40aa-4c3c-afd7-29ed904de1aa" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredCompensationArrangementWithIndividualCompensationExpense"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingExpenses_77dd38cf-2eae-4644-b5f6-113523beda75" xlink:to="loc_us-gaap_DeferredCompensationArrangementWithIndividualCompensationExpense_3c93caf6-40aa-4c3c-afd7-29ed904de1aa" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ResearchAndDevelopmentExpense_539034fc-461b-4f7a-939b-7124b13d6785" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ResearchAndDevelopmentExpense"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingExpenses_77dd38cf-2eae-4644-b5f6-113523beda75" xlink:to="loc_us-gaap_ResearchAndDevelopmentExpense_539034fc-461b-4f7a-939b-7124b13d6785" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GeneralAndAdministrativeExpense_fa018d67-a543-4152-b335-8dcf93258b2d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_GeneralAndAdministrativeExpense"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingExpenses_77dd38cf-2eae-4644-b5f6-113523beda75" xlink:to="loc_us-gaap_GeneralAndAdministrativeExpense_fa018d67-a543-4152-b335-8dcf93258b2d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SellingAndMarketingExpense_5b90693c-7932-4182-a8cb-a200884d9268" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_SellingAndMarketingExpense"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingExpenses_77dd38cf-2eae-4644-b5f6-113523beda75" xlink:to="loc_us-gaap_SellingAndMarketingExpense_5b90693c-7932-4182-a8cb-a200884d9268" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.bentley.com/role/ConsolidatedStatementsofComprehensiveIncome" xlink:type="simple" xlink:href="bsy-20250930.xsd#ConsolidatedStatementsofComprehensiveIncome"/>
  <link:calculationLink xlink:role="http://www.bentley.com/role/ConsolidatedStatementsofComprehensiveIncome" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_ab89f72f-8eeb-4628-b80f-1acac306441b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTax"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax_0d8a5402-677d-4014-9cd9-5b0502095d2a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_ab89f72f-8eeb-4628-b80f-1acac306441b" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax_0d8a5402-677d-4014-9cd9-5b0502095d2a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax_53a31e35-8117-4356-9a4b-0b35bf6b8941" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_ab89f72f-8eeb-4628-b80f-1acac306441b" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax_53a31e35-8117-4356-9a4b-0b35bf6b8941" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTax_ad4ed80f-f0a3-4ebe-8a8f-c8ed8267b6ad" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ComprehensiveIncomeNetOfTax"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_c921f4e5-cd9c-4571-91a6-5647f25fe31c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetIncomeLossAttributableToNoncontrollingInterest"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTax_ad4ed80f-f0a3-4ebe-8a8f-c8ed8267b6ad" xlink:to="loc_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_c921f4e5-cd9c-4571-91a6-5647f25fe31c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToNoncontrollingInterest_8c55c9b6-7b73-4fcf-9897-ae11c5dc48e9" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToNoncontrollingInterest"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTax_ad4ed80f-f0a3-4ebe-8a8f-c8ed8267b6ad" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToNoncontrollingInterest_8c55c9b6-7b73-4fcf-9897-ae11c5dc48e9" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_4be5f9f6-4bb1-481a-9a4e-5882fa78fb72" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTax_ad4ed80f-f0a3-4ebe-8a8f-c8ed8267b6ad" xlink:to="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_4be5f9f6-4bb1-481a-9a4e-5882fa78fb72" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_f43ac9ae-1488-486a-ae91-31758a5b5f49" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_4d844245-bba3-4cde-bfcb-56bb546d97e5" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTax"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_f43ac9ae-1488-486a-ae91-31758a5b5f49" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_4d844245-bba3-4cde-bfcb-56bb546d97e5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProfitLoss_1cf955a0-d6a0-40b2-8830-0e43f3e73d10" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ProfitLoss"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_f43ac9ae-1488-486a-ae91-31758a5b5f49" xlink:to="loc_us-gaap_ProfitLoss_1cf955a0-d6a0-40b2-8830-0e43f3e73d10" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.bentley.com/role/ConsolidatedStatementsofCashFlows" xlink:type="simple" xlink:href="bsy-20250930.xsd#ConsolidatedStatementsofCashFlows"/>
  <link:calculationLink xlink:role="http://www.bentley.com/role/ConsolidatedStatementsofCashFlows" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_c4065598-a631-4424-b475-202cb2d900ea" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ForeignCurrencyTransactionGainLossBeforeTax_632795ee-8561-400a-8ea3-98521aaca19d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ForeignCurrencyTransactionGainLossBeforeTax"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_c4065598-a631-4424-b475-202cb2d900ea" xlink:to="loc_us-gaap_ForeignCurrencyTransactionGainLossBeforeTax_632795ee-8561-400a-8ea3-98521aaca19d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProfitLoss_6bda7e85-6c96-4ff4-a282-aae4b191ab21" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ProfitLoss"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_c4065598-a631-4424-b475-202cb2d900ea" xlink:to="loc_us-gaap_ProfitLoss_6bda7e85-6c96-4ff4-a282-aae4b191ab21" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensation_d5096fcd-39d7-4841-b9ea-9fefab8e26bb" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ShareBasedCompensation"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_c4065598-a631-4424-b475-202cb2d900ea" xlink:to="loc_us-gaap_ShareBasedCompensation_d5096fcd-39d7-4841-b9ea-9fefab8e26bb" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_12ac55a8-7565-460a-998f-021ab54b963b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredIncomeTaxExpenseBenefit"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_c4065598-a631-4424-b475-202cb2d900ea" xlink:to="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_12ac55a8-7565-460a-998f-021ab54b963b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_fcf22584-f378-4849-8a17-c6c5b9a62e24" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets"/>
    <link:calculationArc order="5" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_c4065598-a631-4424-b475-202cb2d900ea" xlink:to="loc_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_fcf22584-f378-4849-8a17-c6c5b9a62e24" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_bsy_DepreciationAmortizationAndImpairment_25ba4a79-aada-4c85-b3ac-28fb876645bd" xlink:href="bsy-20250930.xsd#bsy_DepreciationAmortizationAndImpairment"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_c4065598-a631-4424-b475-202cb2d900ea" xlink:to="loc_bsy_DepreciationAmortizationAndImpairment_25ba4a79-aada-4c85-b3ac-28fb876645bd" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInDeferredCompensation_bdd41d7b-f639-4607-9932-24f8a5d38e20" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncreaseDecreaseInDeferredCompensation"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_c4065598-a631-4424-b475-202cb2d900ea" xlink:to="loc_us-gaap_IncreaseDecreaseInDeferredCompensation_bdd41d7b-f639-4607-9932-24f8a5d38e20" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInAccruedIncomeTaxesPayable_45d45c75-3637-4ea6-a230-0cd2c3dbaa0f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncreaseDecreaseInAccruedIncomeTaxesPayable"/>
    <link:calculationArc order="8" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_c4065598-a631-4424-b475-202cb2d900ea" xlink:to="loc_us-gaap_IncreaseDecreaseInAccruedIncomeTaxesPayable_45d45c75-3637-4ea6-a230-0cd2c3dbaa0f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_3eb21a33-754a-417b-bdc4-3d4655c2495b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities"/>
    <link:calculationArc order="9" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_c4065598-a631-4424-b475-202cb2d900ea" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_3eb21a33-754a-417b-bdc4-3d4655c2495b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AmortizationOfFinancingCosts_4cd60dc9-891b-4988-8174-0dc5945fdea5" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AmortizationOfFinancingCosts"/>
    <link:calculationArc order="10" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_c4065598-a631-4424-b475-202cb2d900ea" xlink:to="loc_us-gaap_AmortizationOfFinancingCosts_4cd60dc9-891b-4988-8174-0dc5945fdea5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsReceivable_0e565b44-8b08-48db-bb39-82d20257646e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncreaseDecreaseInAccountsReceivable"/>
    <link:calculationArc order="11" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_c4065598-a631-4424-b475-202cb2d900ea" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsReceivable_0e565b44-8b08-48db-bb39-82d20257646e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInContractWithCustomerLiability_6f85583d-0263-434f-a358-992da34877d8" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncreaseDecreaseInContractWithCustomerLiability"/>
    <link:calculationArc order="12" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_c4065598-a631-4424-b475-202cb2d900ea" xlink:to="loc_us-gaap_IncreaseDecreaseInContractWithCustomerLiability_6f85583d-0263-434f-a358-992da34877d8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnrealizedGainLossOnDerivatives_9b6117a9-c80d-4167-a30c-b05d429f377a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_UnrealizedGainLossOnDerivatives"/>
    <link:calculationArc order="13" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_c4065598-a631-4424-b475-202cb2d900ea" xlink:to="loc_us-gaap_UnrealizedGainLossOnDerivatives_9b6117a9-c80d-4167-a30c-b05d429f377a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNoncashIncomeExpense_3bb44f1b-7730-431a-806f-918825b224a4" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherNoncashIncomeExpense"/>
    <link:calculationArc order="14" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_c4065598-a631-4424-b475-202cb2d900ea" xlink:to="loc_us-gaap_OtherNoncashIncomeExpense_3bb44f1b-7730-431a-806f-918825b224a4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInDepositsOutstanding_8c5d3726-c074-4db6-ae29-cc06efd958d3" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncreaseDecreaseInDepositsOutstanding"/>
    <link:calculationArc order="15" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_c4065598-a631-4424-b475-202cb2d900ea" xlink:to="loc_us-gaap_IncreaseDecreaseInDepositsOutstanding_8c5d3726-c074-4db6-ae29-cc06efd958d3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_ee1b9112-383c-4148-8876-5037f76f70b3" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_91d5ee84-3390-4547-8617-c0d4df3206ce" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_ee1b9112-383c-4148-8876-5037f76f70b3" xlink:to="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_91d5ee84-3390-4547-8617-c0d4df3206ce" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_17348ffc-3da7-41a2-8c92-c64a9a7fa08c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_ee1b9112-383c-4148-8876-5037f76f70b3" xlink:to="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_17348ffc-3da7-41a2-8c92-c64a9a7fa08c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_08269462-362a-4a3f-8d27-74ab846b4010" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_ee1b9112-383c-4148-8876-5037f76f70b3" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_08269462-362a-4a3f-8d27-74ab846b4010" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_2e7ee1c8-8fda-4a9d-bc13-585dbd0913a9" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_ee1b9112-383c-4148-8876-5037f76f70b3" xlink:to="loc_us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_2e7ee1c8-8fda-4a9d-bc13-585dbd0913a9" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_e238181c-db88-4c72-810b-42dc07518a58" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_fa88c487-5dcd-4c46-91c8-7a4bffc1ead4" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PaymentsToAcquirePropertyPlantAndEquipment"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_e238181c-db88-4c72-810b-42dc07518a58" xlink:to="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_fa88c487-5dcd-4c46-91c8-7a4bffc1ead4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_2ca99083-d3aa-4442-8fce-20c823303af8" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_e238181c-db88-4c72-810b-42dc07518a58" xlink:to="loc_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_2ca99083-d3aa-4442-8fce-20c823303af8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireInvestments_03041f9e-db5d-4d18-8e77-bc64b089aa90" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PaymentsToAcquireInvestments"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_e238181c-db88-4c72-810b-42dc07518a58" xlink:to="loc_us-gaap_PaymentsToAcquireInvestments_03041f9e-db5d-4d18-8e77-bc64b089aa90" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsForProceedsFromOtherInvestingActivities_ff73acd7-7945-445c-ab76-955d3e2aa217" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PaymentsForProceedsFromOtherInvestingActivities"/>
    <link:calculationArc order="4" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_e238181c-db88-4c72-810b-42dc07518a58" xlink:to="loc_us-gaap_PaymentsForProceedsFromOtherInvestingActivities_ff73acd7-7945-445c-ab76-955d3e2aa217" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_c6b52d48-4340-4dc8-b568-6875d38d30bf" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromStockPlans_b014a938-3879-44ab-8437-8f0e0221be13" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ProceedsFromStockPlans"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_c6b52d48-4340-4dc8-b568-6875d38d30bf" xlink:to="loc_us-gaap_ProceedsFromStockPlans_b014a938-3879-44ab-8437-8f0e0221be13" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RepaymentsOfLongTermLinesOfCredit_e016d03d-a13f-44d6-ba77-4026c0ee685a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RepaymentsOfLongTermLinesOfCredit"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_c6b52d48-4340-4dc8-b568-6875d38d30bf" xlink:to="loc_us-gaap_RepaymentsOfLongTermLinesOfCredit_e016d03d-a13f-44d6-ba77-4026c0ee685a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsOfDividends_ece8cfce-378e-4df2-9626-915e2cf33a05" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PaymentsOfDividends"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_c6b52d48-4340-4dc8-b568-6875d38d30bf" xlink:to="loc_us-gaap_PaymentsOfDividends_ece8cfce-378e-4df2-9626-915e2cf33a05" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_bsy_PaymentsForRepurchaseOfCommonStockIncludingSharesWithheldForTaxes_3e98c8d2-a142-439a-bf51-bc60ce99fbc4" xlink:href="bsy-20250930.xsd#bsy_PaymentsForRepurchaseOfCommonStockIncludingSharesWithheldForTaxes"/>
    <link:calculationArc order="4" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_c6b52d48-4340-4dc8-b568-6875d38d30bf" xlink:to="loc_bsy_PaymentsForRepurchaseOfCommonStockIncludingSharesWithheldForTaxes_3e98c8d2-a142-439a-bf51-bc60ce99fbc4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RepaymentsOfSecuredDebt_ad21aa90-bf32-4f11-b3de-f4599423dc9e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RepaymentsOfSecuredDebt"/>
    <link:calculationArc order="5" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_c6b52d48-4340-4dc8-b568-6875d38d30bf" xlink:to="loc_us-gaap_RepaymentsOfSecuredDebt_ad21aa90-bf32-4f11-b3de-f4599423dc9e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions_2ce269b9-128e-4e87-bf3b-2dea9f155c05" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_c6b52d48-4340-4dc8-b568-6875d38d30bf" xlink:to="loc_us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions_2ce269b9-128e-4e87-bf3b-2dea9f155c05" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_32d32666-b34f-4cb5-b5c0-ca0e020c2621" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ProceedsFromPaymentsForOtherFinancingActivities"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_c6b52d48-4340-4dc8-b568-6875d38d30bf" xlink:to="loc_us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_32d32666-b34f-4cb5-b5c0-ca0e020c2621" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentForContingentConsiderationLiabilityFinancingActivities_91ba324e-07b1-43b0-ba34-5d45a868268a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PaymentForContingentConsiderationLiabilityFinancingActivities"/>
    <link:calculationArc order="8" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_c6b52d48-4340-4dc8-b568-6875d38d30bf" xlink:to="loc_us-gaap_PaymentForContingentConsiderationLiabilityFinancingActivities_91ba324e-07b1-43b0-ba34-5d45a868268a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromLongTermLinesOfCredit_cb7484c5-42a4-4e1e-9ffc-ab435c266b8c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ProceedsFromLongTermLinesOfCredit"/>
    <link:calculationArc order="9" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_c6b52d48-4340-4dc8-b568-6875d38d30bf" xlink:to="loc_us-gaap_ProceedsFromLongTermLinesOfCredit_cb7484c5-42a4-4e1e-9ffc-ab435c266b8c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsForRepurchaseOfCommonStock_6a8b77d0-d68b-4bdd-8568-4a56bdd31d90" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PaymentsForRepurchaseOfCommonStock"/>
    <link:calculationArc order="10" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_c6b52d48-4340-4dc8-b568-6875d38d30bf" xlink:to="loc_us-gaap_PaymentsForRepurchaseOfCommonStock_6a8b77d0-d68b-4bdd-8568-4a56bdd31d90" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RepaymentsOfConvertibleDebt_b47caf5c-ee06-4410-99bc-f23dfd72df57" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RepaymentsOfConvertibleDebt"/>
    <link:calculationArc order="11" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_c6b52d48-4340-4dc8-b568-6875d38d30bf" xlink:to="loc_us-gaap_RepaymentsOfConvertibleDebt_b47caf5c-ee06-4410-99bc-f23dfd72df57" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.bentley.com/role/AcquisitionsScheduleofBusinessAcquisitionsAggregateDetailsDetails" xlink:type="simple" xlink:href="bsy-20250930.xsd#AcquisitionsScheduleofBusinessAcquisitionsAggregateDetailsDetails"/>
  <link:calculationLink xlink:role="http://www.bentley.com/role/AcquisitionsScheduleofBusinessAcquisitionsAggregateDetailsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_f5edde57-0596-43c7-a918-80f6aac28d79" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireBusinessesGross_638c604e-aa7b-4084-8d24-c1dbdfbfced6" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PaymentsToAcquireBusinessesGross"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_f5edde57-0596-43c7-a918-80f6aac28d79" xlink:to="loc_us-gaap_PaymentsToAcquireBusinessesGross_638c604e-aa7b-4084-8d24-c1dbdfbfced6" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAcquiredFromAcquisition_e5592c9a-1e60-4fd1-a14e-12fb88c86731" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CashAcquiredFromAcquisition"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_f5edde57-0596-43c7-a918-80f6aac28d79" xlink:to="loc_us-gaap_CashAcquiredFromAcquisition_e5592c9a-1e60-4fd1-a14e-12fb88c86731" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.bentley.com/role/AcquisitionsScheduleofRecognizedIdentifiedAssetsAcquiredandLiabilitiesAssumedDetails" xlink:type="simple" xlink:href="bsy-20250930.xsd#AcquisitionsScheduleofRecognizedIdentifiedAssetsAcquiredandLiabilitiesAssumedDetails"/>
  <link:calculationLink xlink:role="http://www.bentley.com/role/AcquisitionsScheduleofRecognizedIdentifiedAssetsAcquiredandLiabilitiesAssumedDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationConsiderationTransferred1_ef7739fb-02b9-4b2e-ba27-9c0fe9a9a17a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_BusinessCombinationConsiderationTransferred1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireBusinessesGross_e0b338f4-a410-4733-89b3-d7e25054f8fb" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PaymentsToAcquireBusinessesGross"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationConsiderationTransferred1_ef7739fb-02b9-4b2e-ba27-9c0fe9a9a17a" xlink:to="loc_us-gaap_PaymentsToAcquireBusinessesGross_e0b338f4-a410-4733-89b3-d7e25054f8fb" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationConsiderationTransferredOther1_936492b6-8b26-4435-9ec5-607cd650a340" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_BusinessCombinationConsiderationTransferredOther1"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationConsiderationTransferred1_ef7739fb-02b9-4b2e-ba27-9c0fe9a9a17a" xlink:to="loc_us-gaap_BusinessCombinationConsiderationTransferredOther1_936492b6-8b26-4435-9ec5-607cd650a340" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities_2fdba4da-4c3a-483e-9583-b811ffb731cb" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities"/>
    <link:loc xlink:type="locator" xlink:label="loc_bsy_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesOperatingLeaseLiabilityNoncurrent_3f4f415f-7f61-41ec-9eca-a4c770bd052e" xlink:href="bsy-20250930.xsd#bsy_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesOperatingLeaseLiabilityNoncurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities_2fdba4da-4c3a-483e-9583-b811ffb731cb" xlink:to="loc_bsy_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesOperatingLeaseLiabilityNoncurrent_3f4f415f-7f61-41ec-9eca-a4c770bd052e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesOther_2b4be783-a3c4-4679-926d-7f4aec0620ba" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesOther"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities_2fdba4da-4c3a-483e-9583-b811ffb731cb" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesOther_2b4be783-a3c4-4679-926d-7f4aec0620ba" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxLiabilities_4d56c1f4-408c-4682-82cc-0ad5de1fc8b6" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxLiabilities"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities_2fdba4da-4c3a-483e-9583-b811ffb731cb" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxLiabilities_4d56c1f4-408c-4682-82cc-0ad5de1fc8b6" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesDeferredRevenue_72a1cb0a-0b2b-468e-88ee-e6ef4f819b27" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesDeferredRevenue"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities_2fdba4da-4c3a-483e-9583-b811ffb731cb" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesDeferredRevenue_72a1cb0a-0b2b-468e-88ee-e6ef4f819b27" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets_4918cf80-66b3-4041-b673-2fac64892763" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles_c9fbfc25-2962-44d6-8325-22e2bd87f394" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets_4918cf80-66b3-4041-b673-2fac64892763" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles_c9fbfc25-2962-44d6-8325-22e2bd87f394" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_bsy_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivablesAndOtherCurrentAssets_5b670e1f-11cc-4097-a0ab-f8f4fb6a12c7" xlink:href="bsy-20250930.xsd#bsy_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivablesAndOtherCurrentAssets"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets_4918cf80-66b3-4041-b673-2fac64892763" xlink:to="loc_bsy_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivablesAndOtherCurrentAssets_5b670e1f-11cc-4097-a0ab-f8f4fb6a12c7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents_fc51dc49-7795-4c90-b4a3-69c4a122b469" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets_4918cf80-66b3-4041-b673-2fac64892763" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents_fc51dc49-7795-4c90-b4a3-69c4a122b469" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherNoncurrentAssets_235afb96-6a01-4a7c-97ed-b2ad5f639750" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherNoncurrentAssets"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets_4918cf80-66b3-4041-b673-2fac64892763" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherNoncurrentAssets_235afb96-6a01-4a7c-97ed-b2ad5f639750" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_bsy_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentAssetsOperatingLeaseRightOfUseAsset_984ebc24-f39e-4982-9275-3b897105c53c" xlink:href="bsy-20250930.xsd#bsy_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentAssetsOperatingLeaseRightOfUseAsset"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets_4918cf80-66b3-4041-b673-2fac64892763" xlink:to="loc_bsy_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentAssetsOperatingLeaseRightOfUseAsset_984ebc24-f39e-4982-9275-3b897105c53c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet_4c152434-9a5b-46b2-902f-cc83167849a4" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet_37820d9a-4bef-47b9-983a-f50eba58e769" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet_4c152434-9a5b-46b2-902f-cc83167849a4" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet_37820d9a-4bef-47b9-983a-f50eba58e769" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Goodwill_18135984-93ff-46f2-ba28-89bec6607a28" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_Goodwill"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet_4c152434-9a5b-46b2-902f-cc83167849a4" xlink:to="loc_us-gaap_Goodwill_18135984-93ff-46f2-ba28-89bec6607a28" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet_9e60ed1f-28b5-4529-987d-8f5c5b7537d7" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities_fbd184fb-503b-4836-9ddc-16d1ce6b5936" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet_9e60ed1f-28b5-4529-987d-8f5c5b7537d7" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities_fbd184fb-503b-4836-9ddc-16d1ce6b5936" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets_c59cdeef-6f6c-4d14-ba4d-e7e1a40506f3" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet_9e60ed1f-28b5-4529-987d-8f5c5b7537d7" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets_c59cdeef-6f6c-4d14-ba4d-e7e1a40506f3" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.bentley.com/role/PropertyandEquipmentNetScheduleofPropertyandEquipmentNetDetails" xlink:type="simple" xlink:href="bsy-20250930.xsd#PropertyandEquipmentNetScheduleofPropertyandEquipmentNetDetails"/>
  <link:calculationLink xlink:role="http://www.bentley.com/role/PropertyandEquipmentNetScheduleofPropertyandEquipmentNetDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization_65b5eec4-6832-45b5-aa69-8ba6a047147e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization_009f72ef-e904-4c9b-8464-76b069445fa3" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization_65b5eec4-6832-45b5-aa69-8ba6a047147e" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization_009f72ef-e904-4c9b-8464-76b069445fa3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization_5e84712c-cd83-44f4-938a-0c6d332b0672" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization_65b5eec4-6832-45b5-aa69-8ba6a047147e" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization_5e84712c-cd83-44f4-938a-0c6d332b0672" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.bentley.com/role/GoodwillandOtherIntangibleAssetsScheduleofIntangibleAssetsOtherthanGoodwillDetails" xlink:type="simple" xlink:href="bsy-20250930.xsd#GoodwillandOtherIntangibleAssetsScheduleofIntangibleAssetsOtherthanGoodwillDetails"/>
  <link:calculationLink xlink:role="http://www.bentley.com/role/GoodwillandOtherIntangibleAssetsScheduleofIntangibleAssetsOtherthanGoodwillDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsNet_dbb08275-ded0-471f-8c1a-3c4216479914" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FiniteLivedIntangibleAssetsNet"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_cc95013d-470d-438c-b1e4-5f022d3bcb4a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_dbb08275-ded0-471f-8c1a-3c4216479914" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_cc95013d-470d-438c-b1e4-5f022d3bcb4a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsGross_fee6c9a8-587c-4e52-895e-532777bd09f7" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FiniteLivedIntangibleAssetsGross"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_dbb08275-ded0-471f-8c1a-3c4216479914" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsGross_fee6c9a8-587c-4e52-895e-532777bd09f7" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.bentley.com/role/GoodwillandOtherIntangibleAssetsScheduleofFinitelivedIntangibleAssetsAmortizationExpenseDetails" xlink:type="simple" xlink:href="bsy-20250930.xsd#GoodwillandOtherIntangibleAssetsScheduleofFinitelivedIntangibleAssetsAmortizationExpenseDetails"/>
  <link:calculationLink xlink:role="http://www.bentley.com/role/GoodwillandOtherIntangibleAssetsScheduleofFinitelivedIntangibleAssetsAmortizationExpenseDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_bsy_CostAmortizationAndAmortizationOfIntangibleAssets_18566710-099b-4935-8225-edf16e7d3a3c" xlink:href="bsy-20250930.xsd#bsy_CostAmortizationAndAmortizationOfIntangibleAssets"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostOfGoodsAndServicesSoldAmortization_1e0e6bb0-2952-4acc-aca9-52d47520a478" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CostOfGoodsAndServicesSoldAmortization"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_bsy_CostAmortizationAndAmortizationOfIntangibleAssets_18566710-099b-4935-8225-edf16e7d3a3c" xlink:to="loc_us-gaap_CostOfGoodsAndServicesSoldAmortization_1e0e6bb0-2952-4acc-aca9-52d47520a478" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AmortizationOfIntangibleAssets_dc632c84-f1bb-4e7f-a2d2-c472189a1824" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AmortizationOfIntangibleAssets"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_bsy_CostAmortizationAndAmortizationOfIntangibleAssets_18566710-099b-4935-8225-edf16e7d3a3c" xlink:to="loc_us-gaap_AmortizationOfIntangibleAssets_dc632c84-f1bb-4e7f-a2d2-c472189a1824" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.bentley.com/role/InvestmentsScheduleofInvestmentsDetails" xlink:type="simple" xlink:href="bsy-20250930.xsd#InvestmentsScheduleofInvestmentsDetails"/>
  <link:calculationLink xlink:role="http://www.bentley.com/role/InvestmentsScheduleofInvestmentsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Investments_3b7feb7c-ef6a-467c-b4ec-7308c98dd19a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_Investments"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquitySecuritiesWithoutReadilyDeterminableFairValueAmount_8a153a6a-17cf-41a7-9150-678668f01ac9" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EquitySecuritiesWithoutReadilyDeterminableFairValueAmount"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Investments_3b7feb7c-ef6a-467c-b4ec-7308c98dd19a" xlink:to="loc_us-gaap_EquitySecuritiesWithoutReadilyDeterminableFairValueAmount_8a153a6a-17cf-41a7-9150-678668f01ac9" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityMethodInvestments_98e49076-c325-4f53-a529-717fdec0fefa" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EquityMethodInvestments"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Investments_3b7feb7c-ef6a-467c-b4ec-7308c98dd19a" xlink:to="loc_us-gaap_EquityMethodInvestments_98e49076-c325-4f53-a529-717fdec0fefa" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.bentley.com/role/LeasesScheduleofLeaseCostDetails" xlink:type="simple" xlink:href="bsy-20250930.xsd#LeasesScheduleofLeaseCostDetails"/>
  <link:calculationLink xlink:role="http://www.bentley.com/role/LeasesScheduleofLeaseCostDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LeaseCost_d43c7a36-58cd-4dc0-ad25-f789c811fe73" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LeaseCost"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseCost_c5f0f6ae-f824-4ede-950e-d5aeef626211" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OperatingLeaseCost"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LeaseCost_d43c7a36-58cd-4dc0-ad25-f789c811fe73" xlink:to="loc_us-gaap_OperatingLeaseCost_c5f0f6ae-f824-4ede-950e-d5aeef626211" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableLeaseCost_98399f17-d5d9-4aef-81a8-449f4a379f17" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_VariableLeaseCost"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LeaseCost_d43c7a36-58cd-4dc0-ad25-f789c811fe73" xlink:to="loc_us-gaap_VariableLeaseCost_98399f17-d5d9-4aef-81a8-449f4a379f17" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.bentley.com/role/AccrualsandOtherCurrentLiabilitiesDetails" xlink:type="simple" xlink:href="bsy-20250930.xsd#AccrualsandOtherCurrentLiabilitiesDetails"/>
  <link:calculationLink xlink:role="http://www.bentley.com/role/AccrualsandOtherCurrentLiabilitiesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccruedLiabilitiesCurrent_6a73c313-4fe4-4005-b2dc-e3489d553f2f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccruedLiabilitiesCurrent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccruedSalariesCurrent_21787e05-fd98-483f-83b2-ef8fab56e72f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccruedSalariesCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccruedLiabilitiesCurrent_6a73c313-4fe4-4005-b2dc-e3489d553f2f" xlink:to="loc_us-gaap_AccruedSalariesCurrent_21787e05-fd98-483f-83b2-ef8fab56e72f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccruedEmployeeBenefitsCurrent_5f07d8e8-376d-4365-bc2a-827df3157b79" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccruedEmployeeBenefitsCurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccruedLiabilitiesCurrent_6a73c313-4fe4-4005-b2dc-e3489d553f2f" xlink:to="loc_us-gaap_AccruedEmployeeBenefitsCurrent_5f07d8e8-376d-4365-bc2a-827df3157b79" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAccruedLiabilitiesCurrent_6efa5b18-0291-4a62-9f17-602d9aea4944" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherAccruedLiabilitiesCurrent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccruedLiabilitiesCurrent_6a73c313-4fe4-4005-b2dc-e3489d553f2f" xlink:to="loc_us-gaap_OtherAccruedLiabilitiesCurrent_6efa5b18-0291-4a62-9f17-602d9aea4944" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.bentley.com/role/LongTermDebtScheduleofLongTermDebtDetails" xlink:type="simple" xlink:href="bsy-20250930.xsd#LongTermDebtScheduleofLongTermDebtDetails"/>
  <link:calculationLink xlink:role="http://www.bentley.com/role/LongTermDebtScheduleofLongTermDebtDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebt_f79c3de8-bbf3-4ffb-b42d-09706ae760bd" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongTermDebt"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtCurrent_9939c2f7-2896-44c5-a419-88b89e44103e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongTermDebtCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebt_f79c3de8-bbf3-4ffb-b42d-09706ae760bd" xlink:to="loc_us-gaap_LongTermDebtCurrent_9939c2f7-2896-44c5-a419-88b89e44103e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtNoncurrent_98d55a18-1472-4c51-a366-dbc18fde1494" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongTermDebtNoncurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebt_f79c3de8-bbf3-4ffb-b42d-09706ae760bd" xlink:to="loc_us-gaap_LongTermDebtNoncurrent_98d55a18-1472-4c51-a366-dbc18fde1494" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.bentley.com/role/LongTermDebtScheduleofLongTermDebtDetails_1" xlink:type="simple" xlink:href="bsy-20250930.xsd#LongTermDebtScheduleofLongTermDebtDetails_1"/>
  <link:calculationLink xlink:role="http://www.bentley.com/role/LongTermDebtScheduleofLongTermDebtDetails_1" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebt_58d60a6e-b391-4f90-a524-8c5b6ea827a5" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongTermDebt"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentUnamortizedDiscount_365ec029-9bdb-4a9d-a99d-d04bfd99831a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentUnamortizedDiscount"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebt_58d60a6e-b391-4f90-a524-8c5b6ea827a5" xlink:to="loc_us-gaap_DebtInstrumentUnamortizedDiscount_365ec029-9bdb-4a9d-a99d-d04bfd99831a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentCarryingAmount_da6d024b-b570-4ce3-bedb-aa1c8943980d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentCarryingAmount"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebt_58d60a6e-b391-4f90-a524-8c5b6ea827a5" xlink:to="loc_us-gaap_DebtInstrumentCarryingAmount_da6d024b-b570-4ce3-bedb-aa1c8943980d" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.bentley.com/role/LongTermDebtScheduleofInterestExpenseDetails" xlink:type="simple" xlink:href="bsy-20250930.xsd#LongTermDebtScheduleofInterestExpenseDetails"/>
  <link:calculationLink xlink:role="http://www.bentley.com/role/LongTermDebtScheduleofInterestExpenseDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestIncomeExpenseNonoperatingNet_75d3f02e-15b1-4887-be6e-b00b141be8c8" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InterestIncomeExpenseNonoperatingNet"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InvestmentIncomeInterest_3122a40b-915b-4564-bf81-6bb6dbff980e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InvestmentIncomeInterest"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_InterestIncomeExpenseNonoperatingNet_75d3f02e-15b1-4887-be6e-b00b141be8c8" xlink:to="loc_us-gaap_InvestmentIncomeInterest_3122a40b-915b-4564-bf81-6bb6dbff980e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestExpenseDebt_2fc80176-b081-40e3-b462-235eb7c0f7ba" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InterestExpenseDebt"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_InterestIncomeExpenseNonoperatingNet_75d3f02e-15b1-4887-be6e-b00b141be8c8" xlink:to="loc_us-gaap_InterestExpenseDebt_2fc80176-b081-40e3-b462-235eb7c0f7ba" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AmortizationOfFinancingCosts_5087ff76-da4a-4fd0-88fa-751327d682da" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AmortizationOfFinancingCosts"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_InterestIncomeExpenseNonoperatingNet_75d3f02e-15b1-4887-be6e-b00b141be8c8" xlink:to="loc_us-gaap_AmortizationOfFinancingCosts_5087ff76-da4a-4fd0-88fa-751327d682da" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_bsy_OtherInterestIncomeExpense_5f053bd9-1d82-4d75-b2db-fb2a6c276fac" xlink:href="bsy-20250930.xsd#bsy_OtherInterestIncomeExpense"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_InterestIncomeExpenseNonoperatingNet_75d3f02e-15b1-4887-be6e-b00b141be8c8" xlink:to="loc_bsy_OtherInterestIncomeExpense_5f053bd9-1d82-4d75-b2db-fb2a6c276fac" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.bentley.com/role/RetirementPlansScheduleofDeferredCompensationPlanLiabilitiesDetails" xlink:type="simple" xlink:href="bsy-20250930.xsd#RetirementPlansScheduleofDeferredCompensationPlanLiabilitiesDetails"/>
  <link:calculationLink xlink:role="http://www.bentley.com/role/RetirementPlansScheduleofDeferredCompensationPlanLiabilitiesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredCompensationLiabilityCurrentAndNoncurrent_ecaaff0b-bd35-4f2a-97c0-b84589ef4a2c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredCompensationLiabilityCurrentAndNoncurrent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccruedLiabilitiesCurrent_d084dd4b-6f81-4943-95c4-bc94d970c42b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccruedLiabilitiesCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredCompensationLiabilityCurrentAndNoncurrent_ecaaff0b-bd35-4f2a-97c0-b84589ef4a2c" xlink:to="loc_us-gaap_AccruedLiabilitiesCurrent_d084dd4b-6f81-4943-95c4-bc94d970c42b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredCompensationLiabilityClassifiedNoncurrent_0f363717-9614-4c2d-b8ea-34aee13fb3d1" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredCompensationLiabilityClassifiedNoncurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredCompensationLiabilityCurrentAndNoncurrent_ecaaff0b-bd35-4f2a-97c0-b84589ef4a2c" xlink:to="loc_us-gaap_DeferredCompensationLiabilityClassifiedNoncurrent_0f363717-9614-4c2d-b8ea-34aee13fb3d1" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.bentley.com/role/FairValueofFinancialInstrumentsScheduleofFairValueofFinancialAssetsandLiabilitiesDetails" xlink:type="simple" xlink:href="bsy-20250930.xsd#FairValueofFinancialInstrumentsScheduleofFairValueofFinancialAssetsandLiabilitiesDetails"/>
  <link:calculationLink xlink:role="http://www.bentley.com/role/FairValueofFinancialInstrumentsScheduleofFairValueofFinancialAssetsandLiabilitiesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsFairValueDisclosure_3a3c768b-adbd-420e-bfee-6e2c2433cb3f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AssetsFairValueDisclosure"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeAssets_9985cd85-d6e5-4d5d-b8e8-ff01a4d451ad" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativeAssets"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsFairValueDisclosure_3a3c768b-adbd-420e-bfee-6e2c2433cb3f" xlink:to="loc_us-gaap_DerivativeAssets_9985cd85-d6e5-4d5d-b8e8-ff01a4d451ad" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsFairValueDisclosure_e964f78c-df2d-4f88-b0e8-8ffbc3eabe3b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CashAndCashEquivalentsFairValueDisclosure"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsFairValueDisclosure_3a3c768b-adbd-420e-bfee-6e2c2433cb3f" xlink:to="loc_us-gaap_CashAndCashEquivalentsFairValueDisclosure_e964f78c-df2d-4f88-b0e8-8ffbc3eabe3b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesFairValueDisclosure_c9765677-f16c-409a-90b7-480a441dcdd2" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LiabilitiesFairValueDisclosure"/>
    <link:loc xlink:type="locator" xlink:label="loc_bsy_AccruedEquityBasedCompensationFairValueDisclosure_5af0a8f0-42e6-4da7-a92a-c2b936edb064" xlink:href="bsy-20250930.xsd#bsy_AccruedEquityBasedCompensationFairValueDisclosure"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesFairValueDisclosure_c9765677-f16c-409a-90b7-480a441dcdd2" xlink:to="loc_bsy_AccruedEquityBasedCompensationFairValueDisclosure_5af0a8f0-42e6-4da7-a92a-c2b936edb064" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_bsy_DeferredCompensationLiabilityFairValueDisclosure_e730fb60-9f43-4321-a40c-f423f83f2e10" xlink:href="bsy-20250930.xsd#bsy_DeferredCompensationLiabilityFairValueDisclosure"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesFairValueDisclosure_c9765677-f16c-409a-90b7-480a441dcdd2" xlink:to="loc_bsy_DeferredCompensationLiabilityFairValueDisclosure_e730fb60-9f43-4321-a40c-f423f83f2e10" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.bentley.com/role/OtherIncomeExpenseNetDetails" xlink:type="simple" xlink:href="bsy-20250930.xsd#OtherIncomeExpenseNetDetails"/>
  <link:calculationLink xlink:role="http://www.bentley.com/role/OtherIncomeExpenseNetDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNonoperatingIncomeExpense_c36cf866-c3fc-49fc-9553-4a3f8d14aabe" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherNonoperatingIncomeExpense"/>
    <link:loc xlink:type="locator" xlink:label="loc_bsy_OtherMiscellaneousNonoperatingIncomeExpenseOther_d2a8676d-7cbc-4049-99c3-bfb19143a82d" xlink:href="bsy-20250930.xsd#bsy_OtherMiscellaneousNonoperatingIncomeExpenseOther"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherNonoperatingIncomeExpense_c36cf866-c3fc-49fc-9553-4a3f8d14aabe" xlink:to="loc_bsy_OtherMiscellaneousNonoperatingIncomeExpenseOther_d2a8676d-7cbc-4049-99c3-bfb19143a82d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_bsy_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsRefundOrPayments_659a30dd-92f0-42ac-9f0c-9f7163683fd6" xlink:href="bsy-20250930.xsd#bsy_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsRefundOrPayments"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherNonoperatingIncomeExpense_c36cf866-c3fc-49fc-9553-4a3f8d14aabe" xlink:to="loc_bsy_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsRefundOrPayments_659a30dd-92f0-42ac-9f0c-9f7163683fd6" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ForeignCurrencyTransactionGainLossUnrealized_3a537adc-4c4d-45e0-9b0e-d1b3265adfb6" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ForeignCurrencyTransactionGainLossUnrealized"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherNonoperatingIncomeExpense_c36cf866-c3fc-49fc-9553-4a3f8d14aabe" xlink:to="loc_us-gaap_ForeignCurrencyTransactionGainLossUnrealized_3a537adc-4c4d-45e0-9b0e-d1b3265adfb6" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainLossOnInterestRateDerivativeInstrumentsNotDesignatedAsHedgingInstruments_ee03d633-bd27-434d-9409-2b87fd0e8cee" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_GainLossOnInterestRateDerivativeInstrumentsNotDesignatedAsHedgingInstruments"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherNonoperatingIncomeExpense_c36cf866-c3fc-49fc-9553-4a3f8d14aabe" xlink:to="loc_us-gaap_GainLossOnInterestRateDerivativeInstrumentsNotDesignatedAsHedgingInstruments_ee03d633-bd27-434d-9409-2b87fd0e8cee" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.bentley.com/role/NetIncomePerShareAttributabletoBentleySystemsStockholdersScheduleofBasicandDilutedNetIncomePerShareDetails" xlink:type="simple" xlink:href="bsy-20250930.xsd#NetIncomePerShareAttributabletoBentleySystemsStockholdersScheduleofBasicandDilutedNetIncomePerShareDetails"/>
  <link:calculationLink xlink:role="http://www.bentley.com/role/NetIncomePerShareAttributabletoBentleySystemsStockholdersScheduleofBasicandDilutedNetIncomePerShareDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted_05bb8e51-1167-4fb6-87fd-5a089a13f62b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestOnConvertibleDebtNetOfTax_bcecddae-e398-4cfe-8792-47871ed44789" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InterestOnConvertibleDebtNetOfTax"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted_05bb8e51-1167-4fb6-87fd-5a089a13f62b" xlink:to="loc_us-gaap_InterestOnConvertibleDebtNetOfTax_bcecddae-e398-4cfe-8792-47871ed44789" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_43eb19b6-5721-402b-a3ef-7fbcf3e62364" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted_05bb8e51-1167-4fb6-87fd-5a089a13f62b" xlink:to="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_43eb19b6-5721-402b-a3ef-7fbcf3e62364" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_e451b505-aa56-4566-b2e6-71cbb86e051c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncrementalCommonSharesAttributableToConversionOfDebtSecurities_040c5266-3bd3-44b0-8c50-352100c3886f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncrementalCommonSharesAttributableToConversionOfDebtSecurities"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_e451b505-aa56-4566-b2e6-71cbb86e051c" xlink:to="loc_us-gaap_IncrementalCommonSharesAttributableToConversionOfDebtSecurities_040c5266-3bd3-44b0-8c50-352100c3886f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_bsy_IncrementalCommonSharesAttributableToDilutiveEffectOfEmployeeStockPurchaseProgram_bd9a009e-8eba-4e34-9fe7-d7ba788db428" xlink:href="bsy-20250930.xsd#bsy_IncrementalCommonSharesAttributableToDilutiveEffectOfEmployeeStockPurchaseProgram"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_e451b505-aa56-4566-b2e6-71cbb86e051c" xlink:to="loc_bsy_IncrementalCommonSharesAttributableToDilutiveEffectOfEmployeeStockPurchaseProgram_bd9a009e-8eba-4e34-9fe7-d7ba788db428" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_0c2b1de1-8663-44f9-a8d9-4a7c4b94ebe4" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_e451b505-aa56-4566-b2e6-71cbb86e051c" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_0c2b1de1-8663-44f9-a8d9-4a7c4b94ebe4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_04bbfce7-adbe-42a9-ac12-707e6402ca10" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_e451b505-aa56-4566-b2e6-71cbb86e051c" xlink:to="loc_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_04bbfce7-adbe-42a9-ac12-707e6402ca10" xlink:type="arc"/>
  </link:calculationLink>
</link:linkbase>
