The Power of Interest - How Long Will it take My Money to Double?

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?

Have A Question About This Topic?

Thank you! Oops!

Related Content

It Was the Best of Times, It Was the Worst of Times

It Was the Best of Times, It Was the Worst of Times

Learn about key investment principles that will help you navigate the unpredictability of the financial markets.

Why Medicare Should Be Part of Your Retirement Strategy

Why Medicare Should Be Part of Your Retirement Strategy

How Medicare can address health care needs in your retirement strategy.

Understanding the Basics of Medigap Policies

Understanding the Basics of Medigap Policies

Important as it is, Medicare does not cover the full range of health-care expenses you may experience in your golden years.