calculation of irr in excel
Calculating IRR in Excel. Microsoft Excel contains a specific function for calculating IRR, but any calculation is only as good as the data behind it. To determine the IRR of a given project, first input all anticipated cash flows in adjacent cells, starting with the initial capital investment, or cash outflow.For example, a five-year project with a single lump-sum investment has six entries, say in cells A1 through A6.o determine the IRR of a given project, first input all anticipated cash flows in adjacent cells, starting with the initial capital investment, or cash outflow. For example, a five-year project with a single lump-sum investment has six entries, say in cells A1 through A6.