Temperature Conversion 

Enter a number then click on the the conversion button.  
Fahrenheit (^{o }F) 


Celsius (^{o }C) 
Wind Speed Calculations 

Enter a speed into any blank to convert to all other wind speeds.  
mph knots m/sec km/hr  
Wind Chill Calculation 

Enter the temperature in degrees Fahrenheit and wind speed in mph, then click on the Calculate WC to compute the windchill index.  
Temp (^{o }F) 
Wind (mph) 
Index 
Relative Humidity Calculation 

Enter the air temperature and the dew point in degrees Fahrenheit, then click on the Calculate RH to compute the relative humidity.  
Temp (^{o }F) 
Dew Point 
Heat Index Calculations 

Enter the temperature in degrees Fahrenheit and relative humidity (RH) in percent (without the % sign), or the Dew Point (T_{dp}). Then click on the Calculate HI to compute the heat index (HI).  
Temp (^{o }F) 
RH  HI 
T_{dp} 

OR 

Temp (^{o }F) 
T_{dp}  HI  RH 
Original scripts by Ron Murphy and Kurt Mayer  Updated 2/22/2002 by Arno Perlow, WFO St. Louis, MO