Wind Chill Calculator
Wind chill describes how cold the air feels on exposed skin once you factor in the wind, which strips away the thin layer of warmth your body builds up and speeds heat loss. This calculator uses the 2001 wind chill formula adopted jointly by the United States National Weather Service and Environment Canada, the current standard that replaced older, harsher tables. Enter the air temperature and the wind speed, choose Fahrenheit with miles per hour or Celsius with kilometers per hour, and read the wind chill temperature along with a frostbite risk note. Wind chill only applies at temperatures at or below 50 degrees Fahrenheit and wind above about 3 miles per hour, and the calculator flags when your inputs fall outside that valid range. Everything runs locally in your browser for fast, private answers.
How to use Wind Chill Calculator
- Enter the air temperature.
- Enter the wind speed.
- Read the wind chill temperature.
- Use it to judge how cold it will actually feel outside.
Frequently asked questions
Which wind chill formula does it use?
It uses the 2001 North American formula from the NWS and Environment Canada, based on air temperature and wind speed measured at standard height.
Why does wind make it feel colder?
Wind strips away the thin warm layer of air next to your skin, speeding heat loss, so a windy day feels colder than a calm one at the same temperature.
When does wind chill apply?
The formula is defined for temperatures at or below 50 degrees Fahrenheit and wind above about 3 miles per hour; outside that range wind chill is not reported.
What is Wind Chill Calculator?
Wind chill describes how cold the air feels on exposed skin once you factor in the wind, which strips away the thin layer of warmth your body builds up and speeds heat loss. This calculator uses the 2001 wind chill formula adopted jointly by the United States National Weather Service and Environment Canada, the current standard that replaced older, harsher tables.
Is Wind Chill Calculator free to use?
Yes. Wind Chill Calculator is completely free, with no sign-up and no usage limits.
Does Wind Chill Calculator work in a web browser?
Yes. Wind Chill Calculator runs in any modern web browser. There is nothing to download or install.
Is my data private with Wind Chill Calculator?
Yes. Wind Chill Calculator runs entirely on your device in your browser, so nothing you enter is uploaded to a server.
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