How does the I R R Calculator work?

Input initial investment and projected cash flows Then: Solve for discount rate where NPV = 0 Then: Compare IRR to required return.

Can you give an example of how to use the I R R Calculator?

Example: Input Invest $100k, receive $30k/year for 5 years gives a result of IRR ≈ 4.3% (modest return) (Accept if > required return).

Is the I R R Calculator free to use?

Yes — completely free with no registration, download, or subscription required. All calculations happen instantly in your browser.

How accurate is the I R R Calculator?

Our I R R Calculator uses verified mathematical formulas and is accurate to multiple decimal places. Results are calculated in real-time using the same methods used by professionals.

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I R R Calculator

Internal Rate of Return (IRR)

Initial Investment

Year 1 Cash Flow

Year 2 Cash Flow

Year 3 Cash Flow

Internal Rate of Return (IRR) is discount rate equating investment cost to present value of future cash flows; alternative to NPV.

Symbol	Name	Unit	Description
NPV	0	—	0

Difficulty:intermediate

References

›Irr — Wikipedia

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I R R Calculator

Internal Rate of Return (IRR)

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Internal Rate of Return (IRR)