IRR Calculator illustration

IRR Calculator

Finds the discount rate at which a project’s NPV is exactly zero — its internal rate of return — and charts NPV against the discount rate around it.

Read the full guide to this tool

Notes

IRR assumes interim cash flows are reinvested at the IRR itself, which flatters high-IRR projects; NPV at a realistic rate is the safer yardstick.
This is an educational estimate, not financial advice; talk to a qualified adviser before making money decisions.