Rule of 72              
The Rule of 72 is an easy way to estimate
how long it will take your investment to
double in value. Just divide 72 by the 
rate of return to see how many years it
will take to double.
  Rate of return         Years to Double 
The rate of return is compounded annually. The maximum return you can enter is 20%.
This calculator is for illustrative purposes only. Depending on changes in the rate of return 
over time, what you’re invested in, how you invest it, how interest is applied, and possible 
tax implications, the actual amount of time needed to double your money will vary. You
should not rely on the results as indication of your financial needs and we recommend 
that you seek out your own investment, legal, tax or professional advice.
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