Compound Interest Calculator

See how an initial deposit plus steady monthly contributions grows once compound interest starts doing the heavy lifting.

Your savings

$
$
%
yrs

Balance after 20 years

$300,851

Total contributed$130,000
Interest earned$170,851
Growth multiple2.31×

How this works

Interest compounds monthly and contributions are added at the end of each month. Real returns vary year to year and inflation reduces future buying power, so treat this as a projection rather than a promise.

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