TaxTips.ca - Rule of 72 Calculator

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TaxTips.ca Calculators -> Rule of 72 Calculator Information (will open in a new window)


Compound annual rate of return

Number of years for investment to double

Input your rate- see approximately how many years it will take for your investment to double.
Input number of years - see approximately what rate is needed to double your investment in that time.

The Rule of 72 provides approximate results. Below are exact results calculated using the above rates and years.
Investment amount
Value at end of period

Questions or comments on the Rule of 72 calculator?
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Revised: October 26, 2023

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