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.

Q. I have prepared projections for a proposed project, and I want to calculate the internal rate of return. Instead of using Excel’s IRR function, should I use simple math formulas so others can ...

Use SmartAsset's RMD calculator to see what your required minimum distributions will look like now and in the future. Enter your retirement account balance at the end of the previous year, your age ...

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 ...