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

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2026 Workiva-->
<!--r:019b32fc-eb90-772f-be7b-acd64357783b,g:01a656e6-aa9c-4200-94c5-df2b081ce55d-->
<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:arcroleRef arcroleURI="https://xbrl.org/2023/arcrole/summation-item" xlink:type="simple" xlink:href="https://www.xbrl.org/2023/calculation-1.1.xsd#summation-item"/>
  <link:roleRef roleURI="http://multiconsult.no/role/StatementofcomprehensiveincomeprofitorlossbyfunctionofexpenseStatement" xlink:type="simple" xlink:href="mul-2025-12-31.xsd#StatementofcomprehensiveincomeprofitorlossbyfunctionofexpenseStatement"/>
  <link:calculationLink xlink:role="http://multiconsult.no/role/StatementofcomprehensiveincomeprofitorlossbyfunctionofexpenseStatement" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ProfitLossBeforeTax_019b32fc-eb91-7848-9a05-7f92aeee50f4" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ProfitLossBeforeTax"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ProfitLossFromOperatingActivities_019b32fc-eb91-7262-925e-97981f7e756f" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ProfitLossFromOperatingActivities"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_ProfitLossBeforeTax_019b32fc-eb91-7848-9a05-7f92aeee50f4" xlink:to="loc_ifrs-full_ProfitLossFromOperatingActivities_019b32fc-eb91-7262-925e-97981f7e756f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethod_019b32fc-eb91-79b7-ba31-457486c9b357" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethod"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_ProfitLossBeforeTax_019b32fc-eb91-7848-9a05-7f92aeee50f4" xlink:to="loc_ifrs-full_ShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethod_019b32fc-eb91-79b7-ba31-457486c9b357" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_FinanceIncomeCost_019b32fc-eb91-7226-83ab-79c30a7e2ca8" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_FinanceIncomeCost"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_ProfitLossBeforeTax_019b32fc-eb91-7848-9a05-7f92aeee50f4" xlink:to="loc_ifrs-full_FinanceIncomeCost_019b32fc-eb91-7226-83ab-79c30a7e2ca8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_mul_ProfitLossFromOperatingActivitiesBeforeInterestTaxesDepreciationAndAmortisationExpense_019b32fc-eb91-71be-8d80-6940fb004d4d" xlink:href="mul-2025-12-31.xsd#mul_ProfitLossFromOperatingActivitiesBeforeInterestTaxesDepreciationAndAmortisationExpense"/>
    <link:loc xlink:type="locator" xlink:label="loc_mul_NetRevenue_019b32fc-eb91-7ac9-a647-7b6170d603e6" xlink:href="mul-2025-12-31.xsd#mul_NetRevenue"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_mul_ProfitLossFromOperatingActivitiesBeforeInterestTaxesDepreciationAndAmortisationExpense_019b32fc-eb91-71be-8d80-6940fb004d4d" xlink:to="loc_mul_NetRevenue_019b32fc-eb91-7ac9-a647-7b6170d603e6" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_mul_OperatingExpenseOtherThanDepreciationAmortisationAndImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss_019b32fc-eb91-7934-a6f3-29f10c0c4668" xlink:href="mul-2025-12-31.xsd#mul_OperatingExpenseOtherThanDepreciationAmortisationAndImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_mul_ProfitLossFromOperatingActivitiesBeforeInterestTaxesDepreciationAndAmortisationExpense_019b32fc-eb91-71be-8d80-6940fb004d4d" xlink:to="loc_mul_OperatingExpenseOtherThanDepreciationAmortisationAndImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss_019b32fc-eb91-7934-a6f3-29f10c0c4668" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_FinanceIncomeCost_019b32fc-eb91-72eb-ade3-b1565c89123c" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_FinanceIncomeCost"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_FinanceIncome_019b32fc-eb91-7eb3-ac8f-060198f5dc02" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_FinanceIncome"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_FinanceIncomeCost_019b32fc-eb91-72eb-ade3-b1565c89123c" xlink:to="loc_ifrs-full_FinanceIncome_019b32fc-eb91-7eb3-ac8f-060198f5dc02" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_FinanceCosts_019b32fc-eb91-7d78-9cbb-bb75728178d9" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_FinanceCosts"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_FinanceIncomeCost_019b32fc-eb91-72eb-ade3-b1565c89123c" xlink:to="loc_ifrs-full_FinanceCosts_019b32fc-eb91-7d78-9cbb-bb75728178d9" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_mul_OperatingExpenseOtherThanDepreciationAmortisationAndImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss_019b32fc-eb91-7b8a-a068-057a813c7556" xlink:href="mul-2025-12-31.xsd#mul_OperatingExpenseOtherThanDepreciationAmortisationAndImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_EmployeeBenefitsExpense_019b32fc-eb91-719f-b72b-a4b2bbd70c17" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_EmployeeBenefitsExpense"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_mul_OperatingExpenseOtherThanDepreciationAmortisationAndImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss_019b32fc-eb91-7b8a-a068-057a813c7556" xlink:to="loc_ifrs-full_EmployeeBenefitsExpense_019b32fc-eb91-719f-b72b-a4b2bbd70c17" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherExpenseByNature_019b32fc-eb91-7ae5-85e5-a608923b7472" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OtherExpenseByNature"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_mul_OperatingExpenseOtherThanDepreciationAmortisationAndImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss_019b32fc-eb91-7b8a-a068-057a813c7556" xlink:to="loc_ifrs-full_OtherExpenseByNature_019b32fc-eb91-7ae5-85e5-a608923b7472" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ProfitLoss_019b32fc-eb91-795a-9e65-5b4cf25e03be" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ProfitLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ProfitLossBeforeTax_019b32fc-eb91-7518-b9ab-177a4ec525c2" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ProfitLossBeforeTax"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_ProfitLoss_019b32fc-eb91-795a-9e65-5b4cf25e03be" xlink:to="loc_ifrs-full_ProfitLossBeforeTax_019b32fc-eb91-7518-b9ab-177a4ec525c2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncomeTaxExpenseContinuingOperations_019b32fc-eb91-7260-a94c-45fa3d15d85b" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_IncomeTaxExpenseContinuingOperations"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_ProfitLoss_019b32fc-eb91-795a-9e65-5b4cf25e03be" xlink:to="loc_ifrs-full_IncomeTaxExpenseContinuingOperations_019b32fc-eb91-7260-a94c-45fa3d15d85b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_mul_NetRevenue_019b32fc-eb91-7ced-8367-378119792ecb" xlink:href="mul-2025-12-31.xsd#mul_NetRevenue"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_Revenue_019b32fc-eb91-7568-8cbc-5bd5e1a84742" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_Revenue"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_mul_NetRevenue_019b32fc-eb91-7ced-8367-378119792ecb" xlink:to="loc_ifrs-full_Revenue_019b32fc-eb91-7568-8cbc-5bd5e1a84742" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_mul_ExpenseForSubcontractorsAndDisbursements_019b32fc-eb91-757e-ac9e-8f9eea94f338" xlink:href="mul-2025-12-31.xsd#mul_ExpenseForSubcontractorsAndDisbursements"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_mul_NetRevenue_019b32fc-eb91-7ced-8367-378119792ecb" xlink:to="loc_mul_ExpenseForSubcontractorsAndDisbursements_019b32fc-eb91-757e-ac9e-8f9eea94f338" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ProfitLossFromOperatingActivities_019b32fc-eb91-74f2-9c77-49bba7615ac4" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ProfitLossFromOperatingActivities"/>
    <link:loc xlink:type="locator" xlink:label="loc_mul_ProfitLossFromOperatingActivitiesBeforeInterestTaxesDepreciationAndAmortisationExpense_019b32fc-eb91-77af-b41a-42c94e7d1fa8" xlink:href="mul-2025-12-31.xsd#mul_ProfitLossFromOperatingActivitiesBeforeInterestTaxesDepreciationAndAmortisationExpense"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_ProfitLossFromOperatingActivities_019b32fc-eb91-74f2-9c77-49bba7615ac4" xlink:to="loc_mul_ProfitLossFromOperatingActivitiesBeforeInterestTaxesDepreciationAndAmortisationExpense_019b32fc-eb91-77af-b41a-42c94e7d1fa8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DepreciationAmortisationAndImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss_019b32fc-eb91-74e8-906f-4551d2ea5a1e" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DepreciationAmortisationAndImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_ProfitLossFromOperatingActivities_019b32fc-eb91-74f2-9c77-49bba7615ac4" xlink:to="loc_ifrs-full_DepreciationAmortisationAndImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss_019b32fc-eb91-74e8-906f-4551d2ea5a1e" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://multiconsult.no/role/StatementofcomprehensiveincomeOCIcomponentspresentedbeforetaxStatement" xlink:type="simple" xlink:href="mul-2025-12-31.xsd#StatementofcomprehensiveincomeOCIcomponentspresentedbeforetaxStatement"/>
  <link:calculationLink xlink:role="http://multiconsult.no/role/StatementofcomprehensiveincomeOCIcomponentspresentedbeforetaxStatement" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTax_019b32fc-eb91-7a36-b3a7-1cebe975ee26" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTax"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherComprehensiveIncomeBeforeTaxExchangeDifferencesOnTranslation_019b32fc-eb91-7bfe-b76d-9263efac704f" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OtherComprehensiveIncomeBeforeTaxExchangeDifferencesOnTranslation"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTax_019b32fc-eb91-7a36-b3a7-1cebe975ee26" xlink:to="loc_ifrs-full_OtherComprehensiveIncomeBeforeTaxExchangeDifferencesOnTranslation_019b32fc-eb91-7bfe-b76d-9263efac704f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTax_019b32fc-eb91-7d00-ab23-d3981a346a52" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTax"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherComprehensiveIncomeBeforeTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlans_019b32fc-eb91-7984-8042-9efa0d008790" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OtherComprehensiveIncomeBeforeTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlans"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_OtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTax_019b32fc-eb91-7d00-ab23-d3981a346a52" xlink:to="loc_ifrs-full_OtherComprehensiveIncomeBeforeTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlans_019b32fc-eb91-7984-8042-9efa0d008790" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncomeTaxRelatingToRemeasurementsOfDefinedBenefitPlansOfOtherComprehensiveIncome_019b32fc-eb91-7c24-8848-e672f6554086" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_IncomeTaxRelatingToRemeasurementsOfDefinedBenefitPlansOfOtherComprehensiveIncome"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_OtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTax_019b32fc-eb91-7d00-ab23-d3981a346a52" xlink:to="loc_ifrs-full_IncomeTaxRelatingToRemeasurementsOfDefinedBenefitPlansOfOtherComprehensiveIncome_019b32fc-eb91-7c24-8848-e672f6554086" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherComprehensiveIncome_019b32fc-eb91-7700-b4b6-b4943f22321c" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OtherComprehensiveIncome"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTax_019b32fc-eb91-77d6-b401-fa9883e40655" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTax"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_OtherComprehensiveIncome_019b32fc-eb91-7700-b4b6-b4943f22321c" xlink:to="loc_ifrs-full_OtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTax_019b32fc-eb91-77d6-b401-fa9883e40655" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTax_019b32fc-eb91-7d75-ac9c-e91813329660" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTax"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_OtherComprehensiveIncome_019b32fc-eb91-7700-b4b6-b4943f22321c" xlink:to="loc_ifrs-full_OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTax_019b32fc-eb91-7d75-ac9c-e91813329660" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ComprehensiveIncome_019b32fc-eb91-7acd-bfac-cb6b03ca4dca" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ComprehensiveIncome"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ProfitLoss_019b32fc-eb91-751b-83db-cefa0155979b" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ProfitLoss"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_ComprehensiveIncome_019b32fc-eb91-7acd-bfac-cb6b03ca4dca" xlink:to="loc_ifrs-full_ProfitLoss_019b32fc-eb91-751b-83db-cefa0155979b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherComprehensiveIncome_019b32fc-eb91-764e-a1ea-dea5da798bf0" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OtherComprehensiveIncome"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_ComprehensiveIncome_019b32fc-eb91-7acd-bfac-cb6b03ca4dca" xlink:to="loc_ifrs-full_OtherComprehensiveIncome_019b32fc-eb91-764e-a1ea-dea5da798bf0" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://multiconsult.no/role/StatementofcashflowsindirectmethodStatement" xlink:type="simple" xlink:href="mul-2025-12-31.xsd#StatementofcashflowsindirectmethodStatement"/>
  <link:calculationLink xlink:role="http://multiconsult.no/role/StatementofcashflowsindirectmethodStatement" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncreaseDecreaseInCashAndCashEquivalents_019b32fc-ecb5-781a-938d-b72929bbc9c1" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_IncreaseDecreaseInCashAndCashEquivalents"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CashFlowsFromUsedInOperatingActivities_019b32fc-ecb5-795e-ac25-dc93658c93f4" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CashFlowsFromUsedInOperatingActivities"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_IncreaseDecreaseInCashAndCashEquivalents_019b32fc-ecb5-781a-938d-b72929bbc9c1" xlink:to="loc_ifrs-full_CashFlowsFromUsedInOperatingActivities_019b32fc-ecb5-795e-ac25-dc93658c93f4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CashFlowsFromUsedInInvestingActivities_019b32fc-ecb5-7f33-9bef-5a00dee1e2d8" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CashFlowsFromUsedInInvestingActivities"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_IncreaseDecreaseInCashAndCashEquivalents_019b32fc-ecb5-781a-938d-b72929bbc9c1" xlink:to="loc_ifrs-full_CashFlowsFromUsedInInvestingActivities_019b32fc-ecb5-7f33-9bef-5a00dee1e2d8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CashFlowsFromUsedInFinancingActivities_019b32fc-ecb5-761c-bc23-93bb52911372" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CashFlowsFromUsedInFinancingActivities"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_IncreaseDecreaseInCashAndCashEquivalents_019b32fc-ecb5-781a-938d-b72929bbc9c1" xlink:to="loc_ifrs-full_CashFlowsFromUsedInFinancingActivities_019b32fc-ecb5-761c-bc23-93bb52911372" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_EffectOfExchangeRateChangesOnCashAndCashEquivalents_019b32fc-ecb5-7ab9-a1a8-4d282fa18395" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_EffectOfExchangeRateChangesOnCashAndCashEquivalents"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_IncreaseDecreaseInCashAndCashEquivalents_019b32fc-ecb5-781a-938d-b72929bbc9c1" xlink:to="loc_ifrs-full_EffectOfExchangeRateChangesOnCashAndCashEquivalents_019b32fc-ecb5-7ab9-a1a8-4d282fa18395" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CashFlowsFromUsedInFinancingActivities_019b32fc-ecb5-797a-b34c-ef52a6aea784" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CashFlowsFromUsedInFinancingActivities"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ProceedsFromBorrowingsClassifiedAsFinancingActivities_019b32fc-ecb5-7a50-b698-315d0169d126" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ProceedsFromBorrowingsClassifiedAsFinancingActivities"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_CashFlowsFromUsedInFinancingActivities_019b32fc-ecb5-797a-b34c-ef52a6aea784" xlink:to="loc_ifrs-full_ProceedsFromBorrowingsClassifiedAsFinancingActivities_019b32fc-ecb5-7a50-b698-315d0169d126" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_RepaymentsOfBorrowingsClassifiedAsFinancingActivities_019b32fc-ecb5-7745-9f64-4f50844466db" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_RepaymentsOfBorrowingsClassifiedAsFinancingActivities"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_CashFlowsFromUsedInFinancingActivities_019b32fc-ecb5-797a-b34c-ef52a6aea784" xlink:to="loc_ifrs-full_RepaymentsOfBorrowingsClassifiedAsFinancingActivities_019b32fc-ecb5-7745-9f64-4f50844466db" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_mul_InterestPaidOnBorrowingsClassifiedAsFinancingActivities_019b32fc-ecb5-7272-9e2f-f51dc28b9957" xlink:href="mul-2025-12-31.xsd#mul_InterestPaidOnBorrowingsClassifiedAsFinancingActivities"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_CashFlowsFromUsedInFinancingActivities_019b32fc-ecb5-797a-b34c-ef52a6aea784" xlink:to="loc_mul_InterestPaidOnBorrowingsClassifiedAsFinancingActivities_019b32fc-ecb5-7272-9e2f-f51dc28b9957" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities_019b32fc-ecb5-7180-a504-aac2d5547854" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities"/>
    <link:calculationArc order="4" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_CashFlowsFromUsedInFinancingActivities_019b32fc-ecb5-797a-b34c-ef52a6aea784" xlink:to="loc_ifrs-full_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities_019b32fc-ecb5-7180-a504-aac2d5547854" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_mul_InterestPaidOnLeaseLiabilitiesClassifiedAsFinancingActivities_019b32fc-ecb5-7928-9589-2f83d69c15c6" xlink:href="mul-2025-12-31.xsd#mul_InterestPaidOnLeaseLiabilitiesClassifiedAsFinancingActivities"/>
    <link:calculationArc order="5" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_CashFlowsFromUsedInFinancingActivities_019b32fc-ecb5-797a-b34c-ef52a6aea784" xlink:to="loc_mul_InterestPaidOnLeaseLiabilitiesClassifiedAsFinancingActivities_019b32fc-ecb5-7928-9589-2f83d69c15c6" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DividendsPaidClassifiedAsFinancingActivities_019b32fc-ecb5-7f3f-a504-46c780e3590a" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DividendsPaidClassifiedAsFinancingActivities"/>
    <link:calculationArc order="6" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_CashFlowsFromUsedInFinancingActivities_019b32fc-ecb5-797a-b34c-ef52a6aea784" xlink:to="loc_ifrs-full_DividendsPaidClassifiedAsFinancingActivities_019b32fc-ecb5-7f3f-a504-46c780e3590a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_PaymentsToAcquireOrRedeemEntitysShares_019b32fc-ecb5-7027-ac24-de16cf5494f2" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_PaymentsToAcquireOrRedeemEntitysShares"/>
    <link:calculationArc order="7" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_CashFlowsFromUsedInFinancingActivities_019b32fc-ecb5-797a-b34c-ef52a6aea784" xlink:to="loc_ifrs-full_PaymentsToAcquireOrRedeemEntitysShares_019b32fc-ecb5-7027-ac24-de16cf5494f2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ProceedsFromSaleOrIssueOfTreasuryShares_019b32fc-ecb5-75c5-9ee2-3b50ea27c963" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ProceedsFromSaleOrIssueOfTreasuryShares"/>
    <link:calculationArc order="8" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_CashFlowsFromUsedInFinancingActivities_019b32fc-ecb5-797a-b34c-ef52a6aea784" xlink:to="loc_ifrs-full_ProceedsFromSaleOrIssueOfTreasuryShares_019b32fc-ecb5-75c5-9ee2-3b50ea27c963" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital_019b32fc-ecb5-778b-9067-da97d2dfd3e9" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ProfitLossBeforeTax_019b32fc-ecb5-706e-8823-6d6fef07d3d4" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ProfitLossBeforeTax"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital_019b32fc-ecb5-778b-9067-da97d2dfd3e9" xlink:to="loc_ifrs-full_ProfitLossBeforeTax_019b32fc-ecb5-706e-8823-6d6fef07d3d4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncomeTaxesPaidClassifiedAsOperatingActivities_019b32fc-ecb5-76b1-9a94-fff7ea70c79a" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_IncomeTaxesPaidClassifiedAsOperatingActivities"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital_019b32fc-ecb5-778b-9067-da97d2dfd3e9" xlink:to="loc_ifrs-full_IncomeTaxesPaidClassifiedAsOperatingActivities_019b32fc-ecb5-76b1-9a94-fff7ea70c79a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_mul_AdjustmentsForInterestExpenseOnLeaseLiabilities_019b32fc-ecb5-7367-bd7f-eb0b82b556e3" xlink:href="mul-2025-12-31.xsd#mul_AdjustmentsForInterestExpenseOnLeaseLiabilities"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital_019b32fc-ecb5-778b-9067-da97d2dfd3e9" xlink:to="loc_mul_AdjustmentsForInterestExpenseOnLeaseLiabilities_019b32fc-ecb5-7367-bd7f-eb0b82b556e3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_mul_AdjustmentsForInterestExpenseOtherThanLeaseLiabilities_019b32fc-ecb5-77b8-8ef5-f53fa3c7dc73" xlink:href="mul-2025-12-31.xsd#mul_AdjustmentsForInterestExpenseOtherThanLeaseLiabilities"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital_019b32fc-ecb5-778b-9067-da97d2dfd3e9" xlink:to="loc_mul_AdjustmentsForInterestExpenseOtherThanLeaseLiabilities_019b32fc-ecb5-77b8-8ef5-f53fa3c7dc73" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_mul_AdjustmentsForDepreciationAndAmortisationExpenseOtherThanRightOfUseAssets_019b32fc-ecb5-7e3f-87c1-adc95422e5bb" xlink:href="mul-2025-12-31.xsd#mul_AdjustmentsForDepreciationAndAmortisationExpenseOtherThanRightOfUseAssets"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital_019b32fc-ecb5-778b-9067-da97d2dfd3e9" xlink:to="loc_mul_AdjustmentsForDepreciationAndAmortisationExpenseOtherThanRightOfUseAssets_019b32fc-ecb5-7e3f-87c1-adc95422e5bb" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_mul_AdjustmentsForDepreciationAndImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLossRightOfUseAssets_019b32fc-ecb5-72b7-886b-796eed6fc7c4" xlink:href="mul-2025-12-31.xsd#mul_AdjustmentsForDepreciationAndImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLossRightOfUseAssets"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital_019b32fc-ecb5-778b-9067-da97d2dfd3e9" xlink:to="loc_mul_AdjustmentsForDepreciationAndImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLossRightOfUseAssets_019b32fc-ecb5-72b7-886b-796eed6fc7c4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AdjustmentsForUndistributedProfitsOfInvestmentsAccountedForUsingEquityMethod_019b32fc-ecb5-72ce-b1cb-49c7da7ed3f4" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_AdjustmentsForUndistributedProfitsOfInvestmentsAccountedForUsingEquityMethod"/>
    <link:calculationArc order="7" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital_019b32fc-ecb5-778b-9067-da97d2dfd3e9" xlink:to="loc_ifrs-full_AdjustmentsForUndistributedProfitsOfInvestmentsAccountedForUsingEquityMethod_019b32fc-ecb5-72ce-b1cb-49c7da7ed3f4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherAdjustmentsForNoncashItems_019b32fc-ecb5-78df-80e7-613596f8a6cd" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OtherAdjustmentsForNoncashItems"/>
    <link:calculationArc order="8" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital_019b32fc-ecb5-778b-9067-da97d2dfd3e9" xlink:to="loc_ifrs-full_OtherAdjustmentsForNoncashItems_019b32fc-ecb5-78df-80e7-613596f8a6cd" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CashFlowsFromUsedInOperatingActivities_019b32fc-eb92-77d6-8f91-5d62d056e20d" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CashFlowsFromUsedInOperatingActivities"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital_019b32fc-eb92-7d25-a2f0-41c922c42270" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_CashFlowsFromUsedInOperatingActivities_019b32fc-eb92-77d6-8f91-5d62d056e20d" xlink:to="loc_ifrs-full_CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital_019b32fc-eb92-7d25-a2f0-41c922c42270" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncreaseDecreaseInWorkingCapital_019b32fc-eb92-745c-98c7-a268e1303f4a" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_IncreaseDecreaseInWorkingCapital"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_CashFlowsFromUsedInOperatingActivities_019b32fc-eb92-77d6-8f91-5d62d056e20d" xlink:to="loc_ifrs-full_IncreaseDecreaseInWorkingCapital_019b32fc-eb92-745c-98c7-a268e1303f4a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CashFlowsFromUsedInInvestingActivities_019b32fc-ecb5-73e3-99bb-8a8e19c13cf8" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CashFlowsFromUsedInInvestingActivities"/>
    <link:loc xlink:type="locator" xlink:label="loc_mul_PurchaseOfPropertyPlantAndEquipmentAndPurchaseOfIntangibleAssetsClassifiedAsInvestingActivities_019b32fc-ecb5-781b-93cb-dad113945a02" xlink:href="mul-2025-12-31.xsd#mul_PurchaseOfPropertyPlantAndEquipmentAndPurchaseOfIntangibleAssetsClassifiedAsInvestingActivities"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_CashFlowsFromUsedInInvestingActivities_019b32fc-ecb5-73e3-99bb-8a8e19c13cf8" xlink:to="loc_mul_PurchaseOfPropertyPlantAndEquipmentAndPurchaseOfIntangibleAssetsClassifiedAsInvestingActivities_019b32fc-ecb5-781b-93cb-dad113945a02" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_mul_ProceedsFromSalesOfPropertyPlantAndEquipmentAndProceedsFromSalesOfIntangibleAssetsClassifiedAsInvestingActivities_019b32fc-ecb5-7969-bb16-b62919e476a3" xlink:href="mul-2025-12-31.xsd#mul_ProceedsFromSalesOfPropertyPlantAndEquipmentAndProceedsFromSalesOfIntangibleAssetsClassifiedAsInvestingActivities"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_CashFlowsFromUsedInInvestingActivities_019b32fc-ecb5-73e3-99bb-8a8e19c13cf8" xlink:to="loc_mul_ProceedsFromSalesOfPropertyPlantAndEquipmentAndProceedsFromSalesOfIntangibleAssetsClassifiedAsInvestingActivities_019b32fc-ecb5-7969-bb16-b62919e476a3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_mul_ProceedsFromSalesOfInvestmentsAccountedForUsingEquityMethodAndPurchaseOfInterestsInInvestmentsAccountedForUsingEquityMethod_019b32fc-ecb5-7c3e-ac61-725432d68055" xlink:href="mul-2025-12-31.xsd#mul_ProceedsFromSalesOfInvestmentsAccountedForUsingEquityMethodAndPurchaseOfInterestsInInvestmentsAccountedForUsingEquityMethod"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_CashFlowsFromUsedInInvestingActivities_019b32fc-ecb5-73e3-99bb-8a8e19c13cf8" xlink:to="loc_mul_ProceedsFromSalesOfInvestmentsAccountedForUsingEquityMethodAndPurchaseOfInterestsInInvestmentsAccountedForUsingEquityMethod_019b32fc-ecb5-7c3e-ac61-725432d68055" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_mul_IncreaseDecreaseInNonCurrentFinancialAssetsClassifiedAsInvestingActivities_019b32fc-ecb5-7ef6-b6b8-fc0b5ec73359" xlink:href="mul-2025-12-31.xsd#mul_IncreaseDecreaseInNonCurrentFinancialAssetsClassifiedAsInvestingActivities"/>
    <link:calculationArc order="4" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_CashFlowsFromUsedInInvestingActivities_019b32fc-ecb5-73e3-99bb-8a8e19c13cf8" xlink:to="loc_mul_IncreaseDecreaseInNonCurrentFinancialAssetsClassifiedAsInvestingActivities_019b32fc-ecb5-7ef6-b6b8-fc0b5ec73359" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CashFlowsUsedInObtainingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities_019b32fc-ecb5-7c95-b2a3-69561a9d86db" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CashFlowsUsedInObtainingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities"/>
    <link:calculationArc order="5" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_CashFlowsFromUsedInInvestingActivities_019b32fc-ecb5-73e3-99bb-8a8e19c13cf8" xlink:to="loc_ifrs-full_CashFlowsUsedInObtainingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities_019b32fc-ecb5-7c95-b2a3-69561a9d86db" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://multiconsult.no/role/StatementoffinancialpositionorderofliquidityStatement" xlink:type="simple" xlink:href="mul-2025-12-31.xsd#StatementoffinancialpositionorderofliquidityStatement"/>
  <link:calculationLink xlink:role="http://multiconsult.no/role/StatementoffinancialpositionorderofliquidityStatement" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_mul_PaidInCapital_019b32fc-eb92-78c3-864f-f82041342665" xlink:href="mul-2025-12-31.xsd#mul_PaidInCapital"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IssuedCapital_019b32fc-eb92-7396-bfca-6749a816b3ed" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_IssuedCapital"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_mul_PaidInCapital_019b32fc-eb92-78c3-864f-f82041342665" xlink:to="loc_ifrs-full_IssuedCapital_019b32fc-eb92-7396-bfca-6749a816b3ed" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TreasuryShares_019b32fc-eb92-711b-a408-eca73a2a55c1" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_TreasuryShares"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_mul_PaidInCapital_019b32fc-eb92-78c3-864f-f82041342665" xlink:to="loc_ifrs-full_TreasuryShares_019b32fc-eb92-711b-a408-eca73a2a55c1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_SharePremium_019b32fc-eb92-763a-bf95-dbbcea68b048" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_SharePremium"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_mul_PaidInCapital_019b32fc-eb92-78c3-864f-f82041342665" xlink:to="loc_ifrs-full_SharePremium_019b32fc-eb92-763a-bf95-dbbcea68b048" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentLiabilities_019b32fc-eb92-7788-bdf0-6b02904c8d33" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CurrentLiabilities"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TradeAndOtherCurrentPayablesToTradeSuppliers_019b32fc-eb92-7902-974d-399a7533fbc7" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_TradeAndOtherCurrentPayablesToTradeSuppliers"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_CurrentLiabilities_019b32fc-eb92-7788-bdf0-6b02904c8d33" xlink:to="loc_ifrs-full_TradeAndOtherCurrentPayablesToTradeSuppliers_019b32fc-eb92-7902-974d-399a7533fbc7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentContractLiabilities_019b32fc-eb92-73c8-a11b-aad1478e1c65" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CurrentContractLiabilities"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_CurrentLiabilities_019b32fc-eb92-7788-bdf0-6b02904c8d33" xlink:to="loc_ifrs-full_CurrentContractLiabilities_019b32fc-eb92-73c8-a11b-aad1478e1c65" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentTaxLiabilitiesCurrent_019b32fc-eb92-73b6-ad2f-0ec70b2880f0" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CurrentTaxLiabilitiesCurrent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_CurrentLiabilities_019b32fc-eb92-7788-bdf0-6b02904c8d33" xlink:to="loc_ifrs-full_CurrentTaxLiabilitiesCurrent_019b32fc-eb92-73b6-ad2f-0ec70b2880f0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentPayablesOnSocialSecurityAndTaxesOtherThanIncomeTax_019b32fc-eb92-77ec-a804-babfa152dbbc" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CurrentPayablesOnSocialSecurityAndTaxesOtherThanIncomeTax"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_CurrentLiabilities_019b32fc-eb92-7788-bdf0-6b02904c8d33" xlink:to="loc_ifrs-full_CurrentPayablesOnSocialSecurityAndTaxesOtherThanIncomeTax_019b32fc-eb92-77ec-a804-babfa152dbbc" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ShorttermBorrowings_019b32fc-eb92-7173-b410-7cd203da5c46" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ShorttermBorrowings"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_CurrentLiabilities_019b32fc-eb92-7788-bdf0-6b02904c8d33" xlink:to="loc_ifrs-full_ShorttermBorrowings_019b32fc-eb92-7173-b410-7cd203da5c46" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentLeaseLiabilities_019b32fc-eb92-7133-becf-ec05aced0afa" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CurrentLeaseLiabilities"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_CurrentLiabilities_019b32fc-eb92-7788-bdf0-6b02904c8d33" xlink:to="loc_ifrs-full_CurrentLeaseLiabilities_019b32fc-eb92-7133-becf-ec05aced0afa" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherCurrentLiabilities_019b32fc-eb92-7363-a98a-d3062df9e571" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OtherCurrentLiabilities"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_CurrentLiabilities_019b32fc-eb92-7788-bdf0-6b02904c8d33" xlink:to="loc_ifrs-full_OtherCurrentLiabilities_019b32fc-eb92-7363-a98a-d3062df9e571" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_mul_RetainedEarningsAndOtherReserves_019b32fc-eb92-7567-8942-b7b23516aa22" xlink:href="mul-2025-12-31.xsd#mul_RetainedEarningsAndOtherReserves"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherReserves_019b32fc-eb92-7510-bef0-253a7af60793" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OtherReserves"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_mul_RetainedEarningsAndOtherReserves_019b32fc-eb92-7567-8942-b7b23516aa22" xlink:to="loc_ifrs-full_OtherReserves_019b32fc-eb92-7510-bef0-253a7af60793" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_RetainedEarnings_019b32fc-eb92-72d3-a6cb-90795b8044b9" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_RetainedEarnings"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_mul_RetainedEarningsAndOtherReserves_019b32fc-eb92-7567-8942-b7b23516aa22" xlink:to="loc_ifrs-full_RetainedEarnings_019b32fc-eb92-72d3-a6cb-90795b8044b9" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_Liabilities_019b32fc-eb92-78a0-ab1d-cb52be73412d" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_Liabilities"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NoncurrentLiabilities_019b32fc-eb92-74ec-a54f-d6a2317f2a02" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_NoncurrentLiabilities"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_Liabilities_019b32fc-eb92-78a0-ab1d-cb52be73412d" xlink:to="loc_ifrs-full_NoncurrentLiabilities_019b32fc-eb92-74ec-a54f-d6a2317f2a02" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentLiabilities_019b32fc-eb92-76fb-af6d-b80cfac12dfe" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CurrentLiabilities"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_Liabilities_019b32fc-eb92-78a0-ab1d-cb52be73412d" xlink:to="loc_ifrs-full_CurrentLiabilities_019b32fc-eb92-76fb-af6d-b80cfac12dfe" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_mul_NonCurrentNonFinancialAssets_019b32fc-eb92-708b-a14c-c25d3870168d" xlink:href="mul-2025-12-31.xsd#mul_NonCurrentNonFinancialAssets"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DeferredTaxAssets_019b32fc-eb92-758e-9781-5118d4e90037" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DeferredTaxAssets"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_mul_NonCurrentNonFinancialAssets_019b32fc-eb92-708b-a14c-c25d3870168d" xlink:to="loc_ifrs-full_DeferredTaxAssets_019b32fc-eb92-758e-9781-5118d4e90037" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IntangibleAssetsOtherThanGoodwill_019b32fc-eb92-7ea9-8baf-abaa05bdaef0" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_IntangibleAssetsOtherThanGoodwill"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_mul_NonCurrentNonFinancialAssets_019b32fc-eb92-708b-a14c-c25d3870168d" xlink:to="loc_ifrs-full_IntangibleAssetsOtherThanGoodwill_019b32fc-eb92-7ea9-8baf-abaa05bdaef0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_Goodwill_019b32fc-eb92-7500-84ba-8204e3b8a769" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_Goodwill"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_mul_NonCurrentNonFinancialAssets_019b32fc-eb92-708b-a14c-c25d3870168d" xlink:to="loc_ifrs-full_Goodwill_019b32fc-eb92-7500-84ba-8204e3b8a769" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_PropertyPlantAndEquipment_019b32fc-eb92-789a-bd87-adcdcd6847a2" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_PropertyPlantAndEquipment"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_mul_NonCurrentNonFinancialAssets_019b32fc-eb92-708b-a14c-c25d3870168d" xlink:to="loc_ifrs-full_PropertyPlantAndEquipment_019b32fc-eb92-789a-bd87-adcdcd6847a2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_RightofuseAssets_019b32fc-eb92-751b-87cb-c5b0e16a9459" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_RightofuseAssets"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_mul_NonCurrentNonFinancialAssets_019b32fc-eb92-708b-a14c-c25d3870168d" xlink:to="loc_ifrs-full_RightofuseAssets_019b32fc-eb92-751b-87cb-c5b0e16a9459" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_EquityAndLiabilities_019b32fc-eb92-76c5-a178-8296f751029a" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_EquityAndLiabilities"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_Equity_019b32fc-eb92-793d-ab35-883953678dfd" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_Equity"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_EquityAndLiabilities_019b32fc-eb92-76c5-a178-8296f751029a" xlink:to="loc_ifrs-full_Equity_019b32fc-eb92-793d-ab35-883953678dfd" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_Liabilities_019b32fc-eb92-71cd-a58c-30d7ec76b959" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_Liabilities"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_EquityAndLiabilities_019b32fc-eb92-76c5-a178-8296f751029a" xlink:to="loc_ifrs-full_Liabilities_019b32fc-eb92-71cd-a58c-30d7ec76b959" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NoncurrentAssets_019b32fc-eb92-73c8-91d8-0548b8fad491" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_NoncurrentAssets"/>
    <link:loc xlink:type="locator" xlink:label="loc_mul_NonCurrentNonFinancialAssets_019b32fc-eb92-755a-bad5-ee3b8582b2c6" xlink:href="mul-2025-12-31.xsd#mul_NonCurrentNonFinancialAssets"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_NoncurrentAssets_019b32fc-eb92-73c8-91d8-0548b8fad491" xlink:to="loc_mul_NonCurrentNonFinancialAssets_019b32fc-eb92-755a-bad5-ee3b8582b2c6" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_InvestmentAccountedForUsingEquityMethod_019b32fc-eb92-72e6-b391-e9301bf867f5" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_InvestmentAccountedForUsingEquityMethod"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_NoncurrentAssets_019b32fc-eb92-73c8-91d8-0548b8fad491" xlink:to="loc_ifrs-full_InvestmentAccountedForUsingEquityMethod_019b32fc-eb92-72e6-b391-e9301bf867f5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_mul_NonCurrentAssetsForReimbursementProvisions_019b32fc-eb92-7c8f-99bf-79406db94149" xlink:href="mul-2025-12-31.xsd#mul_NonCurrentAssetsForReimbursementProvisions"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_NoncurrentAssets_019b32fc-eb92-73c8-91d8-0548b8fad491" xlink:to="loc_mul_NonCurrentAssetsForReimbursementProvisions_019b32fc-eb92-7c8f-99bf-79406db94149" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherNoncurrentFinancialAssets_019b32fc-eb92-7091-bc53-8b8647ac3241" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OtherNoncurrentFinancialAssets"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_NoncurrentAssets_019b32fc-eb92-73c8-91d8-0548b8fad491" xlink:to="loc_ifrs-full_OtherNoncurrentFinancialAssets_019b32fc-eb92-7091-bc53-8b8647ac3241" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TradeAndOtherCurrentReceivables_019b32fc-eb92-7b22-9f7d-f099701186c7" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_TradeAndOtherCurrentReceivables"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentTradeReceivables_019b32fc-eb92-7b1c-b6de-4354eda2ede3" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CurrentTradeReceivables"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_TradeAndOtherCurrentReceivables_019b32fc-eb92-7b22-9f7d-f099701186c7" xlink:to="loc_ifrs-full_CurrentTradeReceivables_019b32fc-eb92-7b1c-b6de-4354eda2ede3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentContractAssets_019b32fc-eb92-7352-95d4-425edcc89327" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CurrentContractAssets"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_TradeAndOtherCurrentReceivables_019b32fc-eb92-7b22-9f7d-f099701186c7" xlink:to="loc_ifrs-full_CurrentContractAssets_019b32fc-eb92-7352-95d4-425edcc89327" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_mul_CurrentPrepaidExpensesAndOtherCurrentReceivables_019b32fc-eb92-7ced-8156-1859e72b1455" xlink:href="mul-2025-12-31.xsd#mul_CurrentPrepaidExpensesAndOtherCurrentReceivables"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_TradeAndOtherCurrentReceivables_019b32fc-eb92-7b22-9f7d-f099701186c7" xlink:to="loc_mul_CurrentPrepaidExpensesAndOtherCurrentReceivables_019b32fc-eb92-7ced-8156-1859e72b1455" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_Assets_019b32fc-eb92-7fa1-b75f-76e998cfb724" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_Assets"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NoncurrentAssets_019b32fc-eb92-782b-989b-11164c3a7b17" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_NoncurrentAssets"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_Assets_019b32fc-eb92-7fa1-b75f-76e998cfb724" xlink:to="loc_ifrs-full_NoncurrentAssets_019b32fc-eb92-782b-989b-11164c3a7b17" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentAssets_019b32fc-eb92-7156-baa9-7edabbae7774" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CurrentAssets"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_Assets_019b32fc-eb92-7fa1-b75f-76e998cfb724" xlink:to="loc_ifrs-full_CurrentAssets_019b32fc-eb92-7156-baa9-7edabbae7774" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentAssets_019b32fc-eb92-7ca5-a113-341f5fa123d6" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CurrentAssets"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TradeAndOtherCurrentReceivables_019b32fc-eb92-7a20-99aa-35ea6948f2c5" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_TradeAndOtherCurrentReceivables"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_CurrentAssets_019b32fc-eb92-7ca5-a113-341f5fa123d6" xlink:to="loc_ifrs-full_TradeAndOtherCurrentReceivables_019b32fc-eb92-7a20-99aa-35ea6948f2c5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CashAndCashEquivalents_019b32fc-eb92-7720-ad62-2e7f18d569fc" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CashAndCashEquivalents"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_CurrentAssets_019b32fc-eb92-7ca5-a113-341f5fa123d6" xlink:to="loc_ifrs-full_CashAndCashEquivalents_019b32fc-eb92-7720-ad62-2e7f18d569fc" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_Equity_019b32fc-eb92-7868-9610-8645e5626a24" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_Equity"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_EquityAttributableToOwnersOfParent_019b32fc-eb92-7b9f-ab8f-50933ebb36d3" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_EquityAttributableToOwnersOfParent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_Equity_019b32fc-eb92-7868-9610-8645e5626a24" xlink:to="loc_ifrs-full_EquityAttributableToOwnersOfParent_019b32fc-eb92-7b9f-ab8f-50933ebb36d3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NoncontrollingInterests_019b32fc-eb92-7932-a94a-9d002c94f61c" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_NoncontrollingInterests"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_Equity_019b32fc-eb92-7868-9610-8645e5626a24" xlink:to="loc_ifrs-full_NoncontrollingInterests_019b32fc-eb92-7932-a94a-9d002c94f61c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_EquityAttributableToOwnersOfParent_019b32fc-eb92-72bb-bcba-b6bbca60a4eb" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_EquityAttributableToOwnersOfParent"/>
    <link:loc xlink:type="locator" xlink:label="loc_mul_PaidInCapital_019b32fc-eb92-77f2-9440-f7aa00cb54c8" xlink:href="mul-2025-12-31.xsd#mul_PaidInCapital"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_EquityAttributableToOwnersOfParent_019b32fc-eb92-72bb-bcba-b6bbca60a4eb" xlink:to="loc_mul_PaidInCapital_019b32fc-eb92-77f2-9440-f7aa00cb54c8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_mul_RetainedEarningsAndOtherReserves_019b32fc-eb92-74b4-91c3-8c2240eab46d" xlink:href="mul-2025-12-31.xsd#mul_RetainedEarningsAndOtherReserves"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_EquityAttributableToOwnersOfParent_019b32fc-eb92-72bb-bcba-b6bbca60a4eb" xlink:to="loc_mul_RetainedEarningsAndOtherReserves_019b32fc-eb92-74b4-91c3-8c2240eab46d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NoncurrentLiabilities_019b32fc-eb92-7e78-9679-d4c8915c1945" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_NoncurrentLiabilities"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NoncurrentRecognisedLiabilitiesDefinedBenefitPlan_019b32fc-eb92-7d00-b057-edaf65323c81" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_NoncurrentRecognisedLiabilitiesDefinedBenefitPlan"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_NoncurrentLiabilities_019b32fc-eb92-7e78-9679-d4c8915c1945" xlink:to="loc_ifrs-full_NoncurrentRecognisedLiabilitiesDefinedBenefitPlan_019b32fc-eb92-7d00-b057-edaf65323c81" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DeferredTaxLiabilities_019b32fc-eb92-76cb-a6fb-7c8430e81b23" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DeferredTaxLiabilities"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_NoncurrentLiabilities_019b32fc-eb92-7e78-9679-d4c8915c1945" xlink:to="loc_ifrs-full_DeferredTaxLiabilities_019b32fc-eb92-76cb-a6fb-7c8430e81b23" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NoncurrentProvisions_019b32fc-eb92-7176-9674-feb9ae1eab6f" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_NoncurrentProvisions"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_NoncurrentLiabilities_019b32fc-eb92-7e78-9679-d4c8915c1945" xlink:to="loc_ifrs-full_NoncurrentProvisions_019b32fc-eb92-7176-9674-feb9ae1eab6f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherNoncurrentLiabilities_019b32fc-eb92-70a0-93ce-00297de277bc" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OtherNoncurrentLiabilities"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_NoncurrentLiabilities_019b32fc-eb92-7e78-9679-d4c8915c1945" xlink:to="loc_ifrs-full_OtherNoncurrentLiabilities_019b32fc-eb92-70a0-93ce-00297de277bc" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LongtermBorrowings_019b32fc-eb92-7281-9945-3ff4afdc8c2c" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_LongtermBorrowings"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_NoncurrentLiabilities_019b32fc-eb92-7e78-9679-d4c8915c1945" xlink:to="loc_ifrs-full_LongtermBorrowings_019b32fc-eb92-7281-9945-3ff4afdc8c2c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NoncurrentLeaseLiabilities_019b32fc-eb92-7537-b55c-9e446db302a3" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_NoncurrentLeaseLiabilities"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_NoncurrentLiabilities_019b32fc-eb92-7e78-9679-d4c8915c1945" xlink:to="loc_ifrs-full_NoncurrentLeaseLiabilities_019b32fc-eb92-7537-b55c-9e446db302a3" xlink:type="arc"/>
  </link:calculationLink>
</link:linkbase>
