NPV / IRR Calculator

Net present value and internal rate of return from a cash-flow stream.

Discount rate (%)

Cash flows (one per line, initial outlay negative)

About this tool

Enter a cash-flow series (initial outlay first, then per-period returns) and a discount rate — get the NPV. The tool also computes IRR (the rate at which NPV is zero) via Newton-Raphson with a bisection fallback.