Weather
Calculators
Temperature   |   Wind Chill   |   Heat Index
Humidity   |   Pressure   |   Wind Speed  

Temperature Conversion Calculator °Fahrenheit °Celsius Kelvin

Wind Chill Calculator Air Temperature (°F) = Wind Speed (MPH) =   Old Wind Chill New Wind Chill   Wind Chill is the temperature that it "feels like" based on actual temperature and wind speed. The "new" wind chill reflects the 2000-2001 National Weather Service update to the original ("old") 1945 index.

Heat Index Calculator Temperature = Select unit: °F °C Relative Humidity = % °F       °C   Heat Index is the temperature that it "feels like" based on actual temperature and humidity.  Note: air temperature must be greater than 80 °F ( 27 °C ) and relative humidity must be higher than 40 percent.

Relative Humidity Calculator Temperature = Select unit: °F°C Dew point = Relative Humidity = %   Humidity is the ratio of the actual moisture content of the air at a specific temperature to the maximum amount that the air could hold at that temperature.

Pressure Calculator Millibars = Inches = Millimeters =   Barometers measure air pressure in "millibars" (mb), "inches of mercury" (in) or "millimeters of mercury" (mm). Average sea level pressure is 1013.25 millibars (29.92 inches of mercury, 760 millimeters of mercury).

Windspeed Conversion Calculator Enter Windspeed:   Select unit: mph  knots  kph Converted Speeds =