Excel and Google Sheets have three functions to calculate the internal rate of return: IRR, XIRR, and MIRR. Learn how these functions can calculate investment returns.

Find the IRR in Excel by employing the IRR function, then use it as the discount rate that causes NPV to equal zero. Use What-If analysis, a built-in calculator in Excel, to solve for the discount ...

Calculating the IRR, or an investment’s expected annual rate of growth, is no easy task for investors. Find the formula and tips for calculating IRR.

Calculating the internal rate of return, or IRR, of an investment is a powerful tool for businesses. ... Excel will default to a 10% IRR guess if one is not provided.