Earned Value Definitions
Variance at Completion (VAC) with EAC Forecast

What is Variance at Completion (VAC) with EAC Forecast? Earned Value Management explained.

Mia Rutherford
Mia Rutherford
June 11, 2023
5 min read

Variance at Completion (VAC) with EAC Forecast measures the variance between the budget at completion (BAC) and the revised estimate at completion (EAC Forecast) of the project. It provides insights into whether the project is expected to be under or over budget based on the latest forecasted estimate. A positive VAC indicates cost savings, while a negative VAC suggests cost overruns. VAC helps in assessing the overall cost performance of the project.

Calculation: VAC = BAC - EAC Forecast

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