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Mar 27, 2024 · You can calculate the number of years to double your investment at some known interest rate by solving for t: t = 72 ÷ R. You can also calculate the interest rate required to double your money within a known time frame by solving for R: R = 72 ÷ t.
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Aug 7, 2024 · Key Takeaways. The rule of 72 is a shortcut investors can use to determine how long it will take their investment to double based on a fixed annual rate of return. All you do is divide 72 by...
May 31, 2024 · To calculate the expected rate of interest, divide the integer 72 by the number of years required to double your investment. The number of years does not need to be a whole number; the formula...
- Will Kenton
- 1 min
The Rule of 72 says that to find the number of years needed to double your money at a given interest rate, you just divide 72 by the interest rate. For example, if you want to know how long it will take to double your money at nine percent interest, divide 72 by 9 and get 8 years.
May 16, 2024 · To calculate the number of years required to double your investment, you use the formula below: Number of years required to double investment = 72/compounded rate of return
Simply enter a given rate of return and this calculator will tell you how long it will take for the money to double by using the rule of 72. That rule states you can divide 72 by the rate of return to estimate the doubling frequency. Rule of 72 Formula: Years = 72 / rate OR rate = 72 / years.
Years to Double Investment = 72 / Interest Rate * 100. For example, If you have an investment earning 8% annually, the rule of 72 will read: 72 / 8 = 9 years to double your money. How to Use the Rule of 72 Calculator.
