NPV Calculator
Value a series of cash flows in today’s dollars.
Runs locally in your browser — your numbers never leave this pageTry: Discount rate=8, Cash flows=-10000,3000,4000,5000,6000 → 8.00%, 5 periods, $4,586
How to use
Net present value discounts each future cash flow to today and subtracts the initial outlay. Positive NPV means the project earns above the discount rate.
Formula
NPV = Σ CFt / (1 + r)t − initial
List flows in order, starting with the negative investment.
FAQ
What discount rate should I use?
Your required return or cost of capital — higher rate means stricter screening.
Why is the first flow negative?
It represents the upfront investment you pay out today.
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