justyourcalculatorIRR Calculator
Enter cash flows to get IRR, NPV and MIRR.
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IRR Calculator
IRR, NPV and MIRR from a list of cash flows
Money you put in at the start.
Internal rate of return
14.895%
per period
- Net present value at 8%Positive: beats the discount rate
- $1,587.55
- Modified IRRReinvests positive flows at the discount rate
- 12.053%
- Total cash in
- $14,000.00
- Net profit
- $4,000.00
Period 0 is the initial investment; each later flow is one period apart. If cash flows change sign more than once, more than one IRR can exist; MIRR avoids that problem.
- Cash flow
| Period | Cash flow | Present value | Cumulative |
|---|---|---|---|
| 0 | -$10,000.00 | -$10,000.00 | -$10,000.00 |
| 1 | $3,000.00 | $2,777.78 | -$7,000.00 |
| 2 | $4,000.00 | $3,429.36 | -$3,000.00 |
| 3 | $4,000.00 | $3,175.33 | $1,000.00 |
| 4 | $3,000.00 | $2,205.09 | $4,000.00 |
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How the irr calculator works
The internal rate of return is the discount rate that makes the net present value of all cash flows exactly zero: 0 = Σ CFt / (1 + IRR)^t. It is found numerically. If the IRR is higher than your required return, the investment adds value.
Net present value discounts every cash flow back to today at your chosen rate and adds them up. Modified IRR assumes positive cash flows are reinvested at that same rate, which is often more realistic than the IRR's implicit assumption of reinvesting at the IRR itself.
Using and checking your result
Published by JustYourCalculator. Check the units and assumptions above, and compare a known example before relying on the output. Calculations use browser arithmetic and may round displayed values.
This is an educational estimate, not a lender quote, tax filing calculation or investment recommendation. Actual costs depend on current rules, fees and your circumstances. Verify important decisions with official sources and a qualified adviser.
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