# Wind Chill Calculator

> Calculate the perceived temperature due to wind cooling effect.

Page: https://askcalculators.com/calculator/wind-chill-calculator/
Definition: https://askcalculators.com/calculator/wind-chill-calculator/definition.json
JSON Schema: https://askcalculators.com/calculator/wind-chill-calculator/schema.json
Version: 7.0.0
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/wind-chill-calculator/?temp=30&speed=15

## Inputs
- temp: Temperature (°F); type=number; optional; default=30
- speed: Wind Speed (mph); type=number; optional; default=15

## Outputs
- result: Result; format=text; primary

## Formula
NWS wind chill: 35.74 + 0.6215T − 35.75V^0.16 + 0.4275T·V^0.16 for Fahrenheit and mph.

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