METHODCalculation, assumptions and sources
Formula used
NPV = Σ CFₜ/(1+r)ᵗ; IRR solves NPV = 0
What is included
Calculate internal rate of return and net present value from a custom cash-flow series.
Assumptions and limits
Rates, prices and income remain constant in the model. Fees, taxes, rounding and contract rules can change actual outcomes.
Reference sources
Investor.gov financial calculators · Consumer Financial Protection Bureau
Last reviewed: September 2026IRR & Net Present Value Calculator
Calculate internal rate of return and net present value from a custom cash-flow series.
Enter the required values or content, adjust the options and then review the detailed result.
FAQFrequently asked questions
What can I do with IRR & Net Present Value Calculator?
Calculate internal rate of return and net present value from a custom cash-flow series.
How do I use IRR & Net Present Value Calculator?
Enter the required values or content, adjust the options and then review the detailed result.
Are my data uploaded?
No. Inputs and files for this tool are processed locally in your browser.
Is this tool free?
Yes. Every feature is free and requires no registration.
Does it work on mobile?
Yes. The interface is optimized for iPhone, Android, tablets and desktop computers.