Cost · PM Glossary

Cost Performance Index (CPI)

A measure of cost efficiency: CPI = EV ÷ AC. Below 1 means over budget; above 1 means under budget.

Example

CPI = 170,000 ÷ 182,000 = 0.93, so each dollar earns 93 cents of work.

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Cost Performance Index (CPI)

Example

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