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Calculators » Finance » Average Annual Rate

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.

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The formula for calculating average annual interest rate:

Annualized Rate = (1 + ROI over N months)^{12 / N}

where,

ROI = Return on Investment

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