What discount rate should I use?

Commonly your required rate of return, cost of capital, or a benchmark like expected inflation plus a risk premium — the "right" rate depends on your specific situation and risk tolerance.

NPV Calculator

Investing

Calculate the net present value of a series of cash flows at a given discount rate.

Display currency

Changing the display currency only changes the symbol shown — amounts aren't converted, since this tool doesn't use live exchange rates.

Discount rate (%)Cash flows, one per period (period 0 first)

Net Present Value

How this is calculated

NPV = Σ CFₜ ÷ (1 + r)ᵗ — each period’s cash flow is discounted back to today’s value at the discount rate r, then summed.

Frequently asked questions

What discount rate should I use?: Commonly your required rate of return, cost of capital, or a benchmark like expected inflation plus a risk premium — the "right" rate depends on your specific situation and risk tolerance.

IRR Calculator

Calculate the internal rate of return for a series of regular periodic cash flows.

XIRR Calculator

Calculate the annualized return on a series of cash flows made on irregular dates.

ROI Calculator

Calculate return on investment, with an annualized ROI option for multi-year holdings.