How does the NPV Calculator work?

NPV = Σ Cₜ/(1+r)ᵗ − Initial investment Then: r = required discount rate (cost of capital) Then: NPV > 0: invest; NPV < 0: reject Then: Higher discount rate → lower NPV.

Can you give an example of how to use the NPV Calculator?

Example: Input −$50k initial, $15k/yr for 5yr, 10% discount rate gives a result of NPV = +$6,862 → invest.

Is the NPV Calculator free to use?

Yes — completely free with no registration, download, or subscription required. All calculations happen instantly in your browser.

How accurate is the NPV Calculator?

Our NPV Calculator uses verified mathematical formulas and is accurate to multiple decimal places. Results are calculated in real-time using the same methods used by professionals.

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NPV Calculator

Net Present Value (NPV) Calculator

Discount Rate (%)

Cash Flows (one per line, first = initial investment)

Net Present Value (NPV) sums all future cash flows discounted to today's value minus the initial investment. Positive NPV means the investment creates more value than it costs.

Symbol	Name	Unit	Description
C₀	Initial investment (outflow)	Currency	—
Cₜ	Cash inflow in period t	Currency	—
r	Discount rate	Annual percentage	—
t	Time period	Years	—

Discount rate	NPV
5%	$14,994
10%	$6,862
15%	$259
20%	−$5,148

References

›NPV — Investopedia

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NPV Calculator

Net Present Value (NPV) Calculator

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NPV Sensitivity ($15k/yr, 5yr, $50k)

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Net Present Value (NPV) Calculator