Is this IRR Calculator free to use?

Yes, IRR Calculator is 100% free to use online with no installation or account required.

How do I use the IRR Calculator?

Simply enter your values into the required input fields and click calculate to view the results instantly.

Can I use IRR Calculator on mobile devices?

Yes, the calculator is fully responsive and compatible with Android, iOS, Windows, macOS, and Linux web browsers.

IRR Calculator — Free Online Tool

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IRR Calculator

Calculate Internal Rate of Return (IRR) from investment cash flows

IRR Formula: Internal Rate of Return is the discount rate $r$ that makes the Net Present Value (NPV) of all cash flows equal to zero: $\sum_{t=0}^{n} \frac{CF_t}{(1+r)^t} = 0$. Enter your cash flows below.

Cash Flow Parameters Input

Initial Investment Outflow ($)

Year 1 Cash Flow ($)

Year 2 Cash Flow ($)

Year 3 Cash Flow ($)

Year 4 Cash Flow ($)

Calculation Results

⚠️ IRR assumes positive cash flows are reinvested at the same internal rate of return, which may overestimate project profitability in volatile markets!

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IRR Calculator

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