US · 12,345.67US customary measurementsRoad distance: miles
United States display and unit preferences. The stated calculation method is used. Review the labeled units before entering your values.
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Your details
Use negative amounts for outflows. Commas separate equal-length periods.
%
Example only. Enter the amount or rate applicable to your situation in United States.
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IRR per period
13.07%
United States · calculated from your inputs
Annualized IRR13.07%
NPV at entered rate$115.65
All located IRRs13.06623863%
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How this result was calculated
NPV(r)=sum(CF[t]/(1+r)^t). IRR is a rate that makes NPV zero.
Country setup: United States. Displayed measurements are converted to the formula's base units internally.
Assumption: Equal-length cash-flow periods. Finds sign-changing roots between −99.9% and 10000% per period; multiple roots are reported and even-multiplicity roots may be missed. United States display and unit preferences. The stated calculation method is used. Review the labeled units before entering your values.
Calculation version 1.0.0 · Support state: generic
Formula and method
NPV(r)=sum(CF[t]/(1+r)^t). IRR is a rate that makes NPV zero.
This calculation uses the values you enter. It runs in your browser and does not request a location or account.
Worked example
Cash flows −1000, +600, +600 have an IRR of about 13.066% per period.
Questions people ask
Which method does this tool use?
NPV(r)=sum(CF[t]/(1+r)^t). IRR is a rate that makes NPV zero.
What should I check before using the result?
Equal-length cash-flow periods. Finds sign-changing roots between −99.9% and 10000% per period; multiple roots are reported and even-multiplicity roots may be missed.