Business
ROI Calculator
Measure the return and net gain on an investment.
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How this calculation works
Measure the return and net gain on an investment. Enter the initial investment and final value to calculate net gain and return as a percentage of the initial cost.
Formula used
ROI = (final value − initial investment) ÷ initial investment × 100
Good to know
Results are estimates for informational purposes.
Example calculation
(€6,500 − €5,000) ÷ €5,000 × 100 = 30%
How to use this calculator
- Enter the initial investment and final value to calculate net gain and return as a percentage of the initial cost.
- Check units and time periods before comparing two results.
- Change one input at a time to understand its effect.
Frequently asked questions
What does the ROI Calculator calculate?
Measure the return and net gain on an investment. The result is calculated from the values you enter and the formula shown on this page.
Which assumptions does the ROI Calculator use?
It applies ROI = (final value − initial investment) ÷ initial investment × 100. Values, fees, rules or timing not represented by an input are not added automatically.