Formula
ROI = (amount returned − amount invested) ÷ amount invested × 100. Add the time period to see the annualized return, which lets you compare investments of different lengths.
Example
Invest $10,000 and get $13,000 back after 2 years: 30% ROI, or about 14.02% a year.
Frequently asked questions
ROI for ads?
Use the campaign cost as the investment and the gross profit from the sales it brought in as the return.
See also
Results are estimates for information only and are not financial, legal or medical advice. Rates, taxes and fees vary — confirm with a professional or your lender.