ROI Calculator
Calculate return on investment — net profit, ROI percent, and annualized return.
How it works
- 1Enter the initial investment and the final value.
- 2Optionally add a holding period in years.
- 3See net profit, ROI %, and (if you gave years) annualized ROI.
Use cases
- Measure the return on a project or investment.
- Compare two investments on an annualized basis.
- Quantify a marketing or capital spend payoff.
Frequently asked questions
What is annualized ROI?
The constant yearly return that compounds to the total return over the holding period: (final/initial)^(1/years) − 1. It makes investments of different lengths comparable.
Why is ROI shown as "—"?
ROI needs a positive initial investment. With a zero or negative initial amount the percentage is undefined.
Is my data stored?
No. Everything runs in your browser.
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