---
title: "NPV Calculator — Net Present Value for Investment Decisions"
description: "Calculate net present value (NPV) of any series of cash flows. Used for capital budgeting in the US, UK, and internationally. Free, no ads."
url: "https://worldcalculators.org/calculators/npv/"
canonical: "https://worldcalculators.org/calculators/npv/"
---

# NPV Calculator

Calculate net present value (NPV) of any series of cash flows. Used for capital budgeting in the US, UK, and internationally. Free, no ads.

## Quick answer

Net Present Value (NPV) is the sum of the present values of all future cash flows from an investment, minus the initial investment. A positive NPV means the project creates value (accept it); a negative NPV means it destroys value (reject it).

## Frequently Asked Questions

Net Present Value (NPV) is the sum of the present values of all future cash flows from an investment, minus the initial investment. A positive NPV means the project creates value (accept it); a negative NPV means it destroys value (reject it).
In the US, the OMB uses NPV for regulatory cost-benefit analysis with a 7% real discount rate. In the UK, HM Treasury's Green Book mandates NPV analysis with a 3.5% real social discount rate for public projects. Both use the same NPV formula but different discount rates, leading to different project valuations.

Source: https://worldcalculators.org/calculators/npv/
Markdown mirror of the HTML page. Prefer this URL for RAG; the interactive calculator still lives on the HTML page.