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Calculate Wind Chill Index
Temperature: °F °C K

Wind Speed: mph kts kphm/s

Wind Chill Units: °F °C K

Wind Chill Index:

Key Values and Equation:

Wind Chill Index Key Values and Equation

Note: The wind chill index is only defined for temperatures at or below 50°F and wind speeds above 3 mph. If the temperature or wind speed conditions are not met, the calculator will report a wind chill index equal to your current temperature.