ROI Calculator
Calculate return on investment and annualized return (CAGR) for any investment.
How to use the ROI Calculator
Compare investments, marketing campaigns, domains or property by entering what you put in, what you got back and how long you held it.
Formula
ROI = (Return − Cost) ÷ Cost × 100 CAGR = (Return ÷ Cost)^(1/years) − 1
Worked example
Investing $10,000 and receiving $14,500 after 3 years is a 45% ROI or about 13.2% per year.
Frequently asked questions
Why is annualized ROI important?
A 45% gain over 3 years is very different from 45% over 10 years. Annualizing lets you compare investments with different holding periods.
Does ROI include costs?
It should — include fees, taxes and maintenance in the cost for a true picture.
Results are estimates for educational and planning purposes. Always confirm important financial, health or legal decisions with a qualified professional. Last reviewed 2026-09-27.