Wind Chill Calculator
Calculate the wind chill temperature based on wind speed and temperature.
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Wind Chill Calculator
Wind Chill Calculator: How Cold Does It Feel?
Wind chill describes how cold the air feels on exposed skin due to the combination of air temperature and wind speed. Wind removes the thin layer of warm air that naturally surrounds your body, accelerating heat loss. Our wind chill calculator uses the official NWS/Environment Canada formula adopted in 2001.
Common Uses
- Outdoor safety assessment during cold weather
- Planning cold-weather activities and sports
- Occupational safety for outdoor workers
- Meteorological reporting
Frequently Asked Questions
At what wind chill is frostbite dangerous?
Frostbite risk increases significantly below -15°F (-26°C) wind chill. At -20°F (-29°C) with 30 mph wind (wind chill ≈ -46°F), exposed skin can freeze in under 30 minutes. At -35°C wind chill, frostbite can occur in 10 minutes. Cover all exposed skin when wind chills are severe.
What is the wind chill formula?
The NWS wind chill formula: Wind Chill (°F) = 35.74 + 0.6215T - 35.75(V^0.16) + 0.4275T(V^0.16), where T = air temperature (°F) and V = wind speed (mph). Valid for temperatures ≤ 50°F and wind speeds ≥ 3 mph.
Is this calculator free to use?
Yes. All calculators on zenicalculator.com are completely free with no registration required.
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