Return on Investment (ROI) Calculator
Result
Return on Investment (ROI) Calculator — free online calculator.
Formula
- Enter the values shown to calculate all corresponding results, not just a single final number. ROI (%) = 100 × (Final − Initial) / Initial; Annualised ROI = 100 × ((Final / Initial)^(1/Years) − 1).
- The main inputs are Initial Investment, Final Value, Holding Period. Enter them in the units and format shown in the calculator.
- Use monetary amounts, rates and time periods exactly as labeled; the result reflects the assumptions entered on this page.
- Changing any input above recalculates the result with the same calculation engine used by this page.
Example: Return on Investment (ROI)
- Initial Investment: 100000
- Final Value: 150000
- Holding Period: 3
If an investment costs 1,000 and returns 1,200, ROI = 20%.
Sample result: Calculating…
Frequently asked questions
What does the Return on Investment (ROI) calculate?
ROI is a simple percentage measure and does not account for the time value of money.
Which values should I enter?
Enter Initial Investment, Final Value, Holding Period using the units and format shown beside each field.
What formula does this calculator use?
The calculator uses the following relationship: ROI (%) = 100 × (Final − Initial) / Initial; Annualised ROI = 100 × ((Final / Initial)^(1/Years) − 1)..
Why might my result differ from another source?
Results can differ when another source uses different units, rounding rules, conventions or assumptions. Compare the inputs and definitions before comparing results.
Does the result update automatically?
Yes. Changing an input updates the result using the same calculation engine shown on this page.