How this calculator works
Enter the investment cost and the value or gain returned. ROI expresses net gain as a percentage of the investment.
Formula
ROI % = (Return − Investment cost) ÷ Investment cost × 100
When to use it
Use it to compare marketing campaigns, equipment purchases, projects or investments on a common percentage basis.
Important
This calculator is for estimation and planning. Actual financial outcomes can differ because of taxes, fees, timing, market conditions, lender terms and other factors.