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The Rule of 72 is a simple yet powerful tool for estimating how long it will take for an investment to double at a given annual compound interest rate. By dividing 72 by the interest rate, investors ...

Wouldn’t it be great if you could quickly determine how much your savings could be worth in the future? Or how much you need to earn on your savings to reach a goal? It’s easy to set a savings goal ...

You don’t need a finance degree to figure out how long it’ll take to double your money as an investor. The Rule of 72 offers a quick shortcut to estimate growth based on interest rates or, on the flip ...

Understanding the "Rule of 72" can help consumers see how quickly credit card debt can grow due to compound interest. The Rule of 72 is a simple formula to estimate how long it takes for debt to ...

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.

Most people can appreciate a good shortcut, and in the world of investing, few are as beloved as the Rule of 72. The Rule of 72 is a simple mental math trick that tells you roughly how long it will ...

Forbes contributors publish independent expert analyses and insights. Host of the Retire Sooner podcast and CFP™ practitioner. Many investors gain penalty-free access to retirement accounts at age 59½ ...