Calculators
Wind Chill Calculator
Calculate the wind chill temperature.
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About the Wind Chill Calculator
Wind makes cold air feel colder. Enter the air temperature (°F) and wind speed (mph) and the calculator returns the wind chill using the official NWS formula, in both Fahrenheit and Celsius. It's a useful safety check for winter activity and frostbite risk.
How to use the Wind Chill Calculator
- 01Enter your air temperature and wind speed.
- 02Read the result instantly — it recalculates as you type.
- 03Adjust the numbers to model different scenarios.
Frequently asked questions
What is wind chill?
The perceived drop in temperature from wind speeding heat loss from exposed skin. It applies at 50°F and below with wind over 3 mph.
Why does wind make it feel colder?
Wind strips away the thin layer of warm air next to your skin, accelerating heat loss even though the air temperature is unchanged.