About the ROI Calculator
A free tool for finding return on investment and annualized return.
What it is
The ROI Calculator finds your net gain or loss, your total return on investment as a percentage, and โ if you provide a holding period โ your annualized return (CAGR). It works for stocks, real estate, business ventures, or any investment with a known start and end value.
Features
Net gain and ROI %
See both the dollar gain/loss and the percentage return instantly.
Annualized return
Enter a holding period to see the equivalent yearly (CAGR) rate.
Handles losses
Negative returns are clearly flagged in the results.
Instant, private
Runs entirely in your browser. No data is sent anywhere.