Rule of 72


The estimation of doubling time on an investment, for which the compounded annual rate of return times the number of years must equal roughly 72 for the investment to double in value.

Use Rule of 72 in a sentence

The rule of 72 was told to me by a friend because he thought I would need to know it for the future.

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If you are going to work in the stock exchange in New York, you have to be familiar, if not best friends with, the rule of 72.

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I have attempted to instill the virtues of saving when raising my children pointing to the power of the Rule of 72 and the periodic doubling of their initial investments.

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rule of 18 72 rule