# Net Present Value Calculator

> Discount a sequence of periodic cash flows, calculate NPV, profitability index, and an estimated internal rate of return.

Page: https://askcalculators.com/calculator/net-present-value-calculator/
Definition: https://askcalculators.com/calculator/net-present-value-calculator/definition.json
JSON Schema: https://askcalculators.com/calculator/net-present-value-calculator/schema.json
Version: 1.0.0
Maintained by: AskCalculators (software project; not a credentialed reviewer)
Qualified review: pending. Automated checks do not establish professional approval.
Page status: Live
Review status: Pending

## Use
Open the calculator page and enter values. Query-string parameters can restore and bookmark a calculation.
Example: https://askcalculators.com/calculator/net-present-value-calculator/?cashFlows=-100000%2C+25000%2C+30000%2C+35000%2C+40000&discountRate=8

## Inputs
- cashFlows: Cash flows by period; type=text; required; default=-100000, 25000, 30000, 35000, 40000
- discountRate: Discount rate per period; type=percent; required; default=8; min=-99.99; max=1000

## Outputs
- netPresentValue: Net present value; format=currency; primary
- presentValueInflows: Present value of positive flows; format=currency
- presentValueOutflows: Present value of negative flows; format=currency
- profitabilityIndex: Profitability index; format=number
- estimatedIrr: Estimated IRR per period; format=percent

## Formula
NPV = Σ CFₜ ÷ (1+r)^t

## Rules
- Empty optional inputs are undefined, not zero.
- Hidden conditional inputs are ignored.
- Do not invent missing required inputs.

Notice: NPV and IRR depend on forecast cash flows and the selected discount rate. They are not investment recommendations.