Steven Nickolas is a writer and has 10+ years of experience working as a consultant to retail and institutional investors. Dr. JeFreda R. Brown is a financial consultant, Certified Financial Education ...

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 ...

If you've dabbled in investing, you've likely heard of the "Rule of 72." It's a back-of-the-envelope metric for calculating how quickly an investment will double in value. Most financial metrics are ...

Wouldn’t it be great if you could quickly determine how much your savings will be worth in the future? Or how much you need to earn on your savings to reach a goal? [Sign up for stock news with our ...

The Rule of 70 is a mathematical formula used to estimate the time it takes for an investment or any quantity to double, given a fixed annual growth rate. This rule is used by investors and financial ...

The Rule of 72 is a general mathematical guideline, in financial planning, that determines how long an investment portfolio will take to double. The Rule assumes a fixed rate of return (ROR), and ...

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 ...

The rule of 72 is a shortcut investors can use to determine how long it will take their investment to double based on a fixed annual rate of return. To use the rule of 72, divide 72 by the fixed rate ...