IRR Estimator
Result
IRR Estimator — free online calculator.
Formula
- IRR Estimator calculates its result from Initial Investment, Annual Cash Flow (uniform), Project Duration. It uses the formula Solve: Investment = CF × (1 − (1+IRR)^−n) / IRR for uniform cash flows. Change any input to recalculate the result instantly.
- The main inputs are Initial Investment, Annual Cash Flow, Project Duration. Enter them in the units and format shown in the calculator.
- Use monetary amounts, rates and time periods exactly as labeled; the result reflects the assumptions entered on this page.
- Changing any input above recalculates the result with the same calculation engine used by this page.
Example: IRR
- Initial Investment: 500000
- Annual Cash Flow: 150000 uniform
- Project Duration: 5
Using Initial Investment = 500000, Annual Cash Flow (uniform) = 150000, Project Duration = 5, the calculated result is 3.3333333333.
Sample result: Calculating…
Frequently asked questions
What does the IRR calculate?
IRR Estimator — free online calculator.
Which values should I enter?
Enter Initial Investment, Annual Cash Flow, Project Duration using the units and format shown beside each field.
What formula does this calculator use?
The calculator uses the following relationship: Solve: Investment = CF × (1 − (1+IRR)^−n) / IRR for uniform cash flows.
Why might my result differ from another source?
Results can differ when another source uses different units, rounding rules, conventions or assumptions. Compare the inputs and definitions before comparing results.
Does the result update automatically?
Yes. Changing an input updates the result using the same calculation engine shown on this page.