Weather Calculators
 
 

Convert Temperature
Enter temperature in one blank to convert to the other scale.

Fahrenheit:
Celsius:
Kelvin:
   

Calculate Wind Chill
Enter temperature and wind speed to compute wind chill.

Temperature:
    FC
Wind Speed:
    MPHKnots
Wind Chill:
 
 

Calculate Heat Index
Enter temperature and relative humidity below to calculate heat index

Temperature:
    FC
Relative Humidity:
Heat Index:
   

Wind Speed Conversions
Enter a speed into any blank to convert to all other wind speeds.

MPH:
Km/h:
Knots:
Meters/Second:
 
 

Calculate
Relative Humidity

Enter temperature and dewpoint below to calculate relative humidity

Temperature:
    FC
Dewpoint:
Relative Humidity:
   

Convert Pressure
Enter a pressure in one blank to convert to the other pressures.

Millibars:
Inches:
Millimeters:
 
 

Convert Precipitation
Enter a depth into any blank to convert to other units .

Inches (hundredths) :
Inches:
Millimeters:
Centimeters:

 



National Weather Service
Wakefield, Virginia
10009 General Mahone Hwy Wakefield, VA 23888
(757)899-4200

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