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100 FAQ's on Basic Finance

Module Units

How many years will it take to double your investment?

 

The Rule of 72 is a simple way to determine how long an investment will take to double, given a fixed annual rate of interest. 

 

72 / Rate of Return = Time for Investment to Double 

 

For instance, if your account earns an interest of: 

 

6%, it will take 12 years for your cash to double (72/6 = 12) 


9%, it will take 8 years for your cash to double (72/9 = 8) 


12%, it will take 6 years for your cash to double (72/12 = 6)

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Units 80/101