The Rule of 72 is a shortcut or rule of thumb used to estimate the number of years required to double your money at a given annual rate of return and vice versa.

A basic question that investors often have is, “How long will it take for my investment to double?” This question can be answered quickly and fairly accurately if one knows a simple rule: The Rule of ...

The Rule of 72 is a simple yet powerful tool for estimating how long it will take for an investment to double at a given annual compound interest rate. By dividing 72 by the interest rate, investors ...

Will investing Rs 1 lakh each year be enough for your future goals? Read on to know... In this modern hustling world, every earning individual wants a safe place to store the earned money, and that’s ...

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Anna-Louise Jackson is a contributor to Buy Side and an expert on economics, investing and real estate. Updated February 14, 2025, 9:39 AM EST How long will it take to double your investment? As ...

To use the rule, divide 72 by your interest rate to estimate how many years it’ll take to double your money. Use the Rule of 72 for ballpark planning, but lean on calculators or professional advice ...

How long will it take to double your investment? As experts are wont to caution, there are no guarantees in investing, but one useful formula can offer an approximation of what the future might hold.