Rule of 72 Calculator

Estimate how long it takes to double your money at any interest rate using the Rule of 72.

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Parameters

Adjust values to see results

$
$0$1,000,000
%
1%30%

Rule of 72: Divide 72 by your annual rate to estimate years to double. At 6%, your money doubles every 12.0 years.

Results

Years to Double

0

Doublings in 50 Years

0

Balance After 50 Years

$ 0

Doubling Chart

See your money double over 50 years