8:20am, Thu 11th Mar, 2010 (NYC)

weather conversion utilities

convert The following weather-related unit conversion utilities can be used by simply filling in the blank and clicking the appropriate 'convert' button. Please be aware that unfortunately some of the scripts don't handle decimals as an input value, and will instead treat them as an integer (whole number) and ignore the additional decimal value, so please round input values accordingly.


convert temperature

enter the temperature in one of the blank fields and click 'convert' for the corresponding values.

Fahrenheit:  
Celcius:  
Kelvin:  
   

[top]
calculate windchill

enter temperature and wind speed to compute wind chill.
(for temperatures less than 50°F and winds greater than 3mph).

Temperature: °F     °C
Wind Speed: MPH   Knots
Wind Chill:  
   

[top]
calculate heat index

enter temperature and relative humidity to calculate heat index.
(for temperatures 80°F or higher, and relative humidities 40% or greater).

Temperature: °F     °C
Relative Humidity:  
Heat Index:  
   

[top]
wind speed conversions

enter a speed into any blank to convert to all other wind speeds.

MPH:  
Km/h:  
Knots:  
Meters/Second:  
   

[top]
calculate relative humidity

enter temperature and dewpoint to calculate relative humidity.

Temperature: °F     °C
Dewpoint:  
Relative Humidity:  
   

[top]
convert pressure

enter a pressure in one blank to convert to the other pressures.

Millibars:  
Inches:  
Millimeters:  
 

[top]
convert precipitation

enter a depth into any blank to convert to other units.

Inches (hundredths):  
Inches:  
Millimeters:  
Centimeters:  
   

Convertors derived from NOAA (National Oceanic and Atmospheric Administration).
For other online conversion calculators, visit onlineconversion.com.
For an installable utility, download Gregory Braun's Unit Conversions 2000 - it's free.