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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
Schedule Performance Index Calculator
Calculate the Schedule Performance Index (SPI) — the ratio of Earned Value to Planned Value — to measure whether a project is ahead of, on, or behind schedule. Use it as a core EVM metric for project status reporting and forecasting completion.
Fill in the required fields to see your result.
Key differences
| Project ROI Calculator | Schedule Performance Index Calculator | |
|---|---|---|
| Category | Project Management | Project Management |
| Inputs required | 2 | 2 |
| Result | Project ROI (%) | Schedule 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 Schedule Performance Index (SPI) — the ratio of Earned Value to Planned Value — to measure whether a project is ahead of, on, or behind schedule. Use it as a core EVM metric for project status reporting and forecasting completion. |