38+ Rule Of 72 Formula Example PNG. The rule of 72 formula is calculated by multiplying the investment interest rate by the number of years invested with the product always equal to 72. How long will it take for david to double his initial investment?
Acme technology fund is an etf that invests in u.s. Now let's say you're looking for an investment that will. The rule of 72 is a method used in finance to quickly estimate the doubling or halving time through compound interest or inflation, respectively.
The formula for this derivation of the rule of 72 is:
This has been a guide to rule of 72 formula. Now let's say you're looking for an investment that will. If you are looking to build wealth. The rule of 72 is a classic investment and saving rule to easily determine how long it will take an investment to double in size.