Free calculators and unit converters for general and everyday use.
Our online tools will provide quick answers to your calculation and conversion needs. On this page, you can calculate annualized return of your investment of a known ROI over a given period of time. An annualized rate of return is the return on an investment over a period other than one year (such as a month, or two years) multiplied or divided to give a comparable one-year return.
Android: Use this interest calculator offline with our all-in-one calculator app.
The formula for calculating average annual interest rate:
Annualized Rate = (1 + ROI over N months)12 / N
ROI = Return on Investment