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Rule of 72 Equations Formulas Calculator

Finance - Compound Interest Investing

The Rule of 72 estimates the number of years required to double the amount of money invested. It assumes the principal is compounded annually. Note, accurate for interest rates below twenty percent.

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Solving for annual interest rate.

annual interest rate


Inputs:

years to double investment (y) 


Conversions:

years to double investment (y) = 0    = 0  


Solution:

annual interest rate (i)  =  HAS NOT BEEN CALCULATED 


Other Units:



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years to double investment years to double investment
annual interest rate annual interest rate



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