NPV Calculator
Value a project by discounting future cash flows back to today.
Quick answer: enter your details below and click Calculate NPV — your result appears instantly, right here in your browser. Nothing you enter is uploaded or stored.
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Enter your details below.
How to use
- Enter the initial investment.
- Enter annual cash flow, years, and discount rate.
- Click Calculate NPV.
About this tool
Enter the initial investment, expected annual cash flow, project length, and discount rate, and the tool discounts each year and totals net present value. This is an estimate that assumes flat annual cash flow, so check current rates and real cash flow timing before investing.
Frequently asked questions
What discount rate should I use?
Use a rate that reflects your cost of capital and risk. A higher rate makes future cash worth less today.
Is a positive NPV a guarantee?
No. It follows from your cash flow guesses, so wrong forecasts give a misleading NPV.