Estimate at Completion (EAC) Glossary Definition

Estimate at Completion (EAC) is the forecasted total cost of the project based on current performance, assumptions, and remaining work.

It helps sponsors and managers understand the likely final cost compared with the original budget.

Project managers, sponsors, and project-controls staff use this concept in budget reviews, performance reporting, forecasting, and variance conversations.

Related concepts include Budget, Cost Baseline, Planned Value, Earned Value, Actual Cost and Cost Variance.