IRR Calculator (Internal Rate of Return)

IRR calculator: internal rate of return of an investment from its cash flows, with the payback period.

0 = Σ CFt(1 + IRR)t

How to use this calculator

  1. Type your input in the box.
  2. The result updates as you type.
  3. Use “Copy result” or “Copy link” to share it.

The IRR is the discount rate at which the NPV is zero. Compare it with your cost of capital or a benchmark return.

Frequently asked questions

−50,000 then 12,000, 15,000, 18,000, 20,000?

IRR ≈ 10.41 %.

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