Rule of 72 Calculator
Estimate how long it takes to double your investment.
Ad placeholder (AdSense in production)
Rule of 72 Calculator
Estimate how many years it takes to double your money at a given annual return.
Years to double your investment
~12.0 years
What is it?
The Rule of 72 is a simple way to estimate how long it takes for an investment to double in value at a given annual rate of return. You divide 72 by the annual rate (as a percentage).
How it works
Enter the expected annual rate of return. The calculator shows the approximate number of years to double your money. This is an estimate; actual results depend on compounding and consistency of returns.
Ad placeholder (AdSense in production)