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Wind Chill Calculator — result sheet
Calculate the National Weather Service wind-chill index for Fahrenheit air temperatures and wind speeds.
Inputs used
Results
Visual chart
Breakdown
Calculation steps
Returned data table
Formula and methodology
Formula: 35.74 + 0.6215T - 35.75V^0.16 + 0.4275TV^0.16.
Inputs are limited to the National Weather Service index domain instead of extrapolating it to calm or warm weather.
This result follows the calculator's declared inputs, precision, validation boundaries, and model limits.
Input contract
- Air temperature — F; minimum -100; maximum 50
- Wind speed — mph; minimum 3; maximum 200
Worked example
| Input | Value |
|---|---|
| Air temperature | 30 |
| Wind speed | 10 |
The NWS index reports an apparent temperature below the measured air temperature.
Assumptions and limits
- Fahrenheit and miles per hour are used.
- Wind chill describes exposed-skin cooling, not actual air temperature.
Calculator note
Source and methodology
Use the official WorldCalculate methodology policy for the source, formula, precision, and boundary standards behind this calculator.
Planning estimate, not financial, medical, legal, or professional advice. © WorldCalculate — reuse with attribution. Built and curated by Hassan ALRowaie.
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