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 ...

The internal rate of return, or IRR, allows investors to analyze the profitability of investments and companies to analyze the profitability of capital outlays. The easiest way to understand IRR is by ...

IRR measures the rate needed to break even on an investment. Calculate IRR by setting NPV to zero and solving for the discount rate. Use Excel's IRR function by inputting initial cost and cash inflow.

Chris Gallant, CFA, is a senior manager of interest rate risk for ATB Financial with 10 years of experience in the financial markets. Suzanne is a content marketer, writer, and fact-checker. She holds ...