NPV & IRR

Net present value and internal rate of return for a simple series of annual cash flows.

Calculated in this browser. Nothing is sent anywhere.

Simple annual flows only — no mid-year timing, taxes or terminal value. IRR is the first root found between −99% and 10 000%.

How to use

  1. Enter the initial investment.
  2. List yearly net cash flows, one per line.
  3. Set the discount rate and read NPV and IRR.

What it supports

Up to 40 yearly flows at a −99–1,000% discount rate. IRR is the first root found between −99% and 10,000%; when that scan finds no sign change, the tool reports no IRR found in the range. No taxes, mid-year timing, or terminal value.

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