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

What to Look for in an Extended-Care Policy

What to Look for in an Extended-Care Policy

Here’s a list of 8 questions to ask that may help you better understand the costs and benefits of extended-care insurance.

Perception vs. Reality

Perception vs. Reality

Learn how to coordinate your retirement accounts like an orchestra to help maximize your retirement strategy.

Saving Early & Letting Time Work For You

Saving Early & Letting Time Work For You

The earlier you start pursuing financial goals, the better your outcome may be.