How To Find The Time It Takes For An Investment To Double Using Rule of 72 calculator. Compound interest calculator.
Time Required To Double An Investment Interest Compounded Simply divide 72 by the interest rate to determine the outcome. at a 2% interest rate, it would take 36 years to double your money. at a 12% interest rate, it would only take six years to double your money. you can also use the rule of 72 to approximate how much an amount would grow over a time period. let’s say you wanted to set aside $5,000. The rule says that to find the number of years required to double your money at a given interest rate, you just divide the interest rate into 72. for example, if you want to know how long it will take to double your money at eight percent interest, divide 8 into 72 and get 9 years. (we're assuming the interest is annually compounded, by the way.). Compound interest calculator [with formula]. Rule of 72 formula, calculate the time for an investment.
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