# Online Rule of 72 Calculator

## Rule of 72 Calculator

Calculate how much time it will take your original investment to double based on the interest rate.

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### How to use Rule of 72 calculator

Utilize the Rule of 72 to estimate what amount of time it will require to double an investment at a given interest rate. Divide 72 by the interest rate to perceive what amount of time it will require to double your money on an investment.

Then again you can calculate what interest rate you need to double your investment inside a specific time span. For instance assuming you needed to double an investment in 5 years, divide 72 by 5 to discover that you'll have to procure 14.4% interest annually on your investment for quite some time: 14.4 Ã— 5 = 72.

The Rule of 72 is to work on a rendition of the more elaborate compound interest calculation. It is a helpful rule of thumb for assessing the multiplying of an investment. This calculator gives both the Rule of 72 calculator just as the exact answer resulting from the formal compound interest calculation.

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