Net Present Value (NPV) Calculator
Work out the net present value of a project by discounting a series of cash flows at your chosen rate — enter year 0 as the initial investment and the rest as returns. Calculated in your browser.
- 100% free
- Private & safe
- Runs in your browser
Why use NPV Calculator?
NPV Calculator gives you accurate results instantly, with the underlying formula shown so you can trust the numbers.
- Runs instantly in your browser — nothing to install, nothing uploaded.
- Completely free, with no account, no watermarks and no usage limits.
- NPV = Σ cashflow_t ÷ (1 + rate)^t
- Enter a discount rate.
- Works on any device — desktop, tablet and phone — and is fully keyboard accessible.
How to use NPV Calculator
- Enter a discount rate.
- List the cash flows, year 0 first.
- See the net present value.
- Adjust the rate to test sensitivity.
Examples
- -1000 then 300,400,500,600 at 10%.
- Comparing two investment options.
Formulas
- NPV = Σ cashflow_t ÷ (1 + rate)^t
Limitations
- Assumes annual periods and a constant discount rate.
- Estimate only, not financial advice.
Frequently asked questions
What goes in year 0?
Usually the initial (negative) investment.
Positive NPV meaning?
It suggests the project adds value at your chosen rate.
Stored?
No — local only.
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