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Wind Chill Calculator

Calculate wind chill using air temperature, temperature unit, wind speed

WIND CHILL21.248293 °F

NWS equation using 30.00 °F and 10.00 mph.

Estimate based on the values shown
MethodNWS wind-chill equation after normalizing temperature to °F and wind to mph.

Before you use the result

Check the entered units and assumptions before using the result for purchasing, construction, engineering, or safety decisions.

Sources

EDITORIAL NOTES

Using the Wind Chill Calculator responsibly

Page-specific guidance based on this calculator’s implemented method, inputs, and known limits.

What this result is useful for

Wind chill combines air temperature and wind speed to describe how cold exposed skin may feel under the supported weather-service model. It does not report the actual temperature of objects and is not a complete personal safety assessment.

Assumptions and limits

The formula is valid only within its stated temperature and wind-speed range and assumes exposed skin. Sun, shelter, wet clothing, activity, age, circulation, and exposure time can materially change risk.

How to check the result

Confirm temperature and wind units and compare the inputs with the formula’s supported range. Use official local weather warnings and exposure guidance for decisions; do not rely on a calculated value alone when frostbite or hypothermia is possible.

Content review: August 21, 2026
INTERPRET THE RESULTRead the other guideCheck assumptions, limitations and comparison methods →