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 ...

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.

There's one milestone that never loses its appeal: doubling your money. Whether it’s a retirement account, an income-focused portfolio or a long-term bet on private markets, the math behind turning ...

Growing up, I never really understood why my grandparents became so obsessive about money, how much they saved, and how much they were worth, but it was clear they were quite obsessed with money. Now, ...