Finance & investing · NUMORA
IRR Calculator
Annualized return of uneven cash flows.
Open interactive calculatorHow to use
Period 0 is usually a negative outlay. Newton solve NPV = 0.
Formula
Σ CFₜ / (1+IRR)ᵗ = 0
FAQ
Is this IRR calculator accurate?
The formula and assumptions are shown on the page, and the engine is covered by audit tests. Results are for reference — not financial or medical advice.
Do I need an account?
No. Calculations run in your browser. Recents can stay on this device.
What inputs do I need?
Period 0 is usually a negative outlay. Newton solve NPV = 0.
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