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Rule of 72 - Wikipedia


Not to be confused with 72-year rule. In finance, the rule of 72, the rule of 70 and the rule of 69.3 are methods for estimating an investment's doubling time.

Rule Of 72 Definition | Investopedia


The rule of 72 is a shortcut to estimate the number of years required to double your money at a given annual rate of return. The rule states that you divide the rate ...

Primerica - The Rule of 72


Do you know the Rule of 72?. It's an easy way to calculate just how long it's going to take for your money to double. Just take the number 72 and divide it by the ...

Doubling your money: The 'rule of 72' - USA Today


Apr 25, 2015 ... How long does it take to double your money? You likely can have twice as much wealth in 10 years, if you invest it in stocks, or 72 years if it ...

Rule of 72 Definition & Example | Investing Answers


For example, using the rule of 72, an investor who invests $1,000 at an interest rate of 4% per year, will double their money in approximately 18 years.

Why The Rule Of 72 Works - Business Insider


Dec 29, 2014 ... We recently posted a list of handy math tricks, and among them is a quick way to estimate how long it will take to double an investment with a ...

TheMint.org - Fun For Kids - The Power of 72


Take a closer look. You are 24 and have $3,000 in savings. You put it in an account that you expect to earn 8%. According to the Power of 72, it will take 9 years ...

World Financial Group, Inc. » The Rule of 72


The Rule of 72* gives a rough estimate of the time it takes for it to double. Simply divide the number 72 by your investment's expected rate of return, and the ...

The Rule of 72 - Stanford University


The rule of 72 gives 72/9 = 8 years, which is close to the exact answer. See time value of money. The same applies to exponential decay. Thus to determine the ...

Double Your Savings Calculator - Using the rule of 72 - CalcXML


Compound interest can have a dramatic effect on the growth of a single deposit. By dividing 72 by your investment return you can determine the amount of time ...

Rule Of 72
A rule stating that in order to find the number of years required to double your money at a given interest rate, you divide the compound return into 72. The result is the approximate number of years that it will take for your investment to double.... More »
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The Rule of 72 (with calculator) - Estimate Compound Interest


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 ...

The rule of 72 for compound interest (video) | Khan Academy


Using the Rule of 72 to approximate how long it will take for an investment to double at a given interest rate.

The Rule of 72 – BetterExplained


Jan 25, 2007 ... The Rule of 72 is a great mental math shortcut to estimate the effect of any growth rate, from quick financial calculations to population estimates.