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Cost Performance Index Calculator

Calculate the Cost Performance Index (CPI) — the ratio of Earned Value to Actual Cost — to measure cost efficiency. Use it as a core EVM metric to determine whether the project is delivering value efficiently or overrunning the budget.

Earned Value ($)

Actual Cost ($)

Fill in the required fields to see your result.

Project Management

Project ROI Calculator

Calculate the return on investment (ROI) of a project as the percentage gain from project benefits over project cost. Use it to prioritize projects in a portfolio, justify proposed initiatives, and evaluate completed projects against original business cases.

Project Benefit ($)

Project Cost ($)

Fill in the required fields to see your result.

Key differences

	Cost Performance Index Calculator	Project ROI Calculator
Category	Project Management	Project Management
Inputs required	2	2
Result	Cost Performance Index	Project ROI (%)
What it does	Calculate the Cost Performance Index (CPI) — the ratio of Earned Value to Actual Cost — to measure cost efficiency. Use it as a core EVM metric to determine whether the project is delivering value efficiently or overrunning the budget.	Calculate the return on investment (ROI) of a project as the percentage gain from project benefits over project cost. Use it to prioritize projects in a portfolio, justify proposed initiatives, and evaluate completed projects against original business cases.