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. The rule number (e.g., 72) is divided by
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
Rule of 72. Have you always wanted to be able to do compound interest
problems in your head? Perhaps not... but it's a very useful skill to have because
it gives ...
Using the Rule of 72 to approximate how long it will take for an investment to
double at a given interest rate.
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.
If you want to quickly determine how long it will take for your money to double, the
rule of 72 is all you need. Most people generally understand the concept of ...
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
How to Use the Rule of 72. The Rule of 72 is a handy tool used in finance to
estimate the number of years it would take to double a sum of money through ...
The rule of 72 is a method used in finance to quickly estimate the doubling or
halving time through compound interest or inflation, respectively. For example ...
Dec 29, 2014 ... Here's Why The 'Rule Of 72' Is Such A Great Math Hack. Andy Kiersz ... That trick
is the rule of 72: Take your interest rate, and divide it into 72.