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Valuation and investment

Net present value (NPV)

Today's value of all future cash flows, minus the upfront investment.

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What does Net present value (NPV) mean?

Net present value discounts every future cash flow from a decision back to today at the cost of capital, adds them up, and subtracts the upfront investment. If NPV is positive, the project earns more than the cost of capital and creates value. Example at a 10% rate: invest 100 today to receive 60 in each of the next two years. The present values are about 54.5 and 49.6, which add up to about 104.1, so NPV is about 4.1.

Where does it come up in case interview prep?