What does the IRR Calculator work out?

Internal rate of return from a series of cash flows. It is one of the Money & Finance tools on Mondo Knows.

Do I need to sign up, and is my data stored?

No sign-up, and nothing you type is sent anywhere. The calculation runs in your own browser, so the figures stay on your device and the page works offline once loaded.

Mondo Knows Tools

IRR Calculator

Internal rate of return from a series of cash flows. Use the free irr calculator below to get an instant answer, with the formula shown so you can check the maths and trust the result. Free, private, and no sign-up.

Cash flows (one per year)Comma separated. Start with the negative initial investment.

Mondo says

Internal rate of return

10.48%

Cash flows5

Net gain$30,000.00

How it works

Enter the cash flows in order, starting with the initial outlay as a negative number. Mondo finds the rate that makes the net present value zero.

IRR Calculator: common questions

What does the IRR Calculator work out?: Internal rate of return from a series of cash flows. It is one of the Money & Finance tools on Mondo Knows.
How is the IRR Calculator calculated?: Enter the cash flows in order, starting with the initial outlay as a negative number. Mondo finds the rate that makes the net present value zero.
Do I need to sign up, and is my data stored?: No sign-up, and nothing you type is sent anywhere. The calculation runs in your own browser, so the figures stay on your device and the page works offline once loaded.

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Estimates for general guidance only. This is not financial, medical or legal advice. Everything runs in your browser and nothing you type is stored.