Compare calculators
Both calculators run independently — change the inputs on either side to compare results.
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.
Fill in the required fields to see your result.
Project Management
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.
Fill in the required fields to see your result.
Key differences
| Project ROI Calculator | Cost Performance Index Calculator | |
|---|---|---|
| Category | Project Management | Project Management |
| Inputs required | 2 | 2 |
| Result | Project ROI (%) | Cost Performance Index |
| What it does | 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. | 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. |