Calculate return on investment (ROI), net gain, and annualized ROI from your initial investment and returns. This ROI Calculator is part of our free productivity tools collection on freetoolstouse. It runs entirely in your browser, so your files and inputs stay on your device unless the tool explicitly performs a network check (for example DNS or SSL lookups). There is no signup, no watermark, and no usage cap. Use it whenever you need a fast, accurate result without installing software.
Calculate return on investment (ROI), net gain, and annualized ROI from your initial investment and returns.
ROI shows total return as a percentage of your initial investment. Annualized ROI compounds the return over the period you specify.