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 ...

Calculating how long it’ll take for an investment to double is a key piece of data used in analyzing if an asset is worth investing in. It can also be used to calculate other compounding rates like ...

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 ...

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 ...

Sean Ross is a strategic adviser at 1031x.com, Investopedia contributor, and the founder and manager of Free Lances Ltd. Anthony Battle is a CERTIFIED FINANCIAL PLANNER™ professional. He earned the ...

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 ...

The Rule of 72 is a classic investment and saving rule to easily determine how long it will take something to double in size based on its growth rate. While not limited just to investments (you could ...

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 ...

While the rule of 72 is a useful rule of thumb to estimate investment returns, using an online calculator or a compound growth formula may yield more accurate results. Read Full Article » ...