![]() ![]() ![]() Average sea level pressure is 1013.25 millibars (29.92 inches of mercury, 760 millimeters of mercury).Īlthough shown here as "windspeed" this calculator could just as well be used to convert "boatspeed." For more information about wind and wind scales go here.įor more information about time ( UTC, GMT, Z ) go here. All you have to do is fill in the two fields by choosing the convenient measurement unit. Weather services in different countries use standards unique to their country or region for example, the U.S. The wind chill calculator takes account of the wind speed in mph or km/h or m/s or knots and the actual air temperature in Fahrenheit or Celsius or Kelvin. All the formulas attempt to qualitatively predict the effect of wind on the temperature humans perceive. 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.īarometers measure air pressure in "millibars" (mb), "inches of mercury" (in) or "millimeters of mercury" (mm). Many formulas exist for wind chill because, unlike temperature, wind chill has no universally agreed-upon standard definition or measurement. It takes into account heat loss from the human body to its surroundings during cold and windy weather. The wind chill index helps you determine when dangerous conditions develop that could lead to frostbite or hypothermia. Relative Humidity Calculator Temperature = The combination of wind and low temperature in winter can be deadly. Determine the relative humidity or the dew point. You can check out the dew point calculator for further information on these parameters. Note: air temperature must be greater than 80 ☏ ( 27 ☌ ) and relative humidity must be higher than 40 percent. Our calculator can determine the heat index based on the temperature and either the relative humidity or dew point. Heat Index is the temperature that it "feels like" based on actual temperature and humidity. For more information about wind chill go here. The "new" wind chill reflects the 2000-2001 National Weather Service update to the original ("old") 1945 index. Wind Chill is the temperature that it "feels like" based on actual temperature and wind speed. What the temperature feels like to your body: Fahrenheit Celsius. Wind Chill Calculator Air Temperature (☏) = Wind Speed (MPH) = For more information about temperature go here. ![]()
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