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 ...

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 ...

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 » ...

・The Rule of 72 helps you quickly estimate how long it takes for money to double at a fixed annual return. ・Fees and inflation can sharply extend that timeline - your “real” doubling rate is often ...