NPV Calculator

Calculate the net present value of a series of cash flows.

🧮

Net Present Value

Enter the initial investment, discount rate, and annual cash flows.

Net present value
$0
PI: 0.00 · Decision: —
NPV
$0
Profitability index
0.00
Total cash flows
$0
Payback period
0 yrs
Discounted payback
0 yrs
Decision
—

Worked example

With the default inputs shown below, this calculator returns the following results:

InputValue
Initial investment ($)$100,000
Discount rate (%)10%
Year 1 cash flow ($)$30,000
Year 2 cash flow ($)$35,000
Year 3 cash flow ($)$40,000
Year 4 cash flow ($)$45,000
Year 5 cash flow ($)$50,000
ResultValue
Net present value$48,033
NPV$48,033
Profitability index1.48
Total cash flows$200,000
Payback period2.9 yrs
Discounted payback3.4 yrs

Values shown are produced by this page in your browser; change any input to update them.

How to use the Net Present Value

  1. Initial investment ($) — default $100,000
  2. Discount rate (%) — default 10%
  3. Year 1 cash flow ($) — default $30,000
  4. Year 2 cash flow ($) — default $35,000
  5. Year 3 cash flow ($) — default $40,000
  6. Year 4 cash flow ($) — default $45,000
  7. Year 5 cash flow ($) — default $50,000
  8. Press Calculate to update the results instantly.

Frequently asked questions

The value today of all future cash flows minus the initial investment. A positive NPV means the project earns more than the discount rate.
Your cost of capital or the return available elsewhere at similar risk. For a small business, 8-12% is a common starting point.
NPV plus the initial investment, divided by the initial investment. Above 1.0 means the project creates value per dollar invested.

Sources & references