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Finance
IRR Calculator
Internal rate of return (Newton's method)
Runs locally in your browser
Parameters
Results
- IRR
- 20.42%
- NPV at IRR
- $0
How it works
Find the internal rate of return (IRR) that makes NPV equal zero.
Who it's for: Investors comparing project returns to hurdle rates.
IRR is the discount rate where the sum of discounted cash flows equals zero.
Uses Newton's method for numerical solution.
CF₀ must be negative (initial investment).
How to use
- Enter Cash flows comma-separated, starting with a negative CF₀.
- Read IRR as a percentage.
- Compare IRR to your cost of capital — higher IRR suggests a better return.