ROI Calculator
Return on investment as a percentage and net gain.
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Step by step
The formula
ROI = (final − invested) / invested × 100
Return on investment expresses profit as a percentage of what you put in, so investments of different sizes can be compared directly. It ignores how long the money was tied up — for that, use CAGR, which annualises the return.
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Example calculations
Common questions this calculator answers — select one to load its values.
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Frequently asked questions
What is a good ROI?+
It depends on the asset and risk. For stock markets, an annualised return of 7–10% is often considered solid over the long term.
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