Investment

The Power of Interest - Doubling Your Money

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 investing, 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 investing, sometimes hitting singles is a better approach than swinging for a home run.

Compounded
Growth TargetAnnuallyMonthlyWeeklyDaily
Double2× your investment0.0000years0.0000years0.0000years0.0000years
Triple3× your investment0.0000years0.0000years0.0000years0.0000years
10× Growth10× your investment0.0000years0.0000years0.0000years0.0000years

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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