Have you ever heard of the Rule of 72? How about the Rule of 114? The Rule of 72 is a shortcut to estimate the number of years it takes for an investment to double, while 114 estimates how long it takes to triple. Better still, use this calculator to get more exact numbers.

Interest Rate

Enter your expected annual interest rate to see how long it will take your investment to grow.

This is an example value. Update it to reflect your expected rate of return.

%

Why do you want your investment to double or triple? Does that fit into your overall strategy, or is it just a fun math problem to solve? With saving and growing your money, sometimes hitting singles is a better approach than swinging for a home run.

See How Your Money Grows

Why do you want your investment to double or triple? Does that fit into your overall strategy, or is it just a fun math problem to solve? With saving and growing your money, sometimes hitting singles is a better approach than swinging for a home run.

Compounded
Growth Target Annually Monthly Weekly Daily
Double 2× your investment 0.0000 years 0.0000 years 0.0000 years 0.0000 years
Triple 3× your investment 0.0000 years 0.0000 years 0.0000 years 0.0000 years
10× Growth 10× your investment 0.0000 years 0.0000 years 0.0000 years 0.0000 years

What's Your Time Horizon?

These figures are estimates based on the interest rate you provided. Actual investment returns will vary based on market conditions and investment choices. Estimates only — not financial advice.

 

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