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Rule of 72: What it is and how to use it

Here’s how the Rule of 72 works: Divide 72 by your expected annual interest rate (as a percentage, not a decimal). The answer is roughly the number of years it will take for your money to double. For ...

What Is the Rule of 72 and How Can Investors Use It?

The Rule of 72 is an easy way to calculate how long it will take your investment to double in value. Here's how it works.
Yahoo

What is the Rule of 72 in investing?

(NewsNation) — You’ve stashed away your hard-earned cash as an investment, and now the waiting period for it to double — and then some — begins. But how long would it take to see your initial ...
Nasdaq

Rule of 55 vs Rule 72(t): What’s the Difference?

If you try to withdraw early from just about any retirement plan, you'll be slapped with a penalty—an incentive to leave your money alone and let it build toward retirement like you always intended.