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NOAA>NWS>NCEP> OPC>Unit Conversions

 
Unit Conversions
NOTE: Values listed are close approximations.
Distance: Meters(m) - Feet(ft) - Kilometers(km) - Nautical Miles(nm) - Statute Miles(sm)

m:     ft:    
km:     nm:     sm:    

   
 
Velocity: Knots(kt) - Miles per Hour(mph) - Kilometers per Hour(km/h) - Meters per Second(m/s)

kt:     mph:     km/h:     m/s:    

   
 
Temperature: Fahrenheit(F) - Celsius(C) - Kelvin(K)

F:     C:     K:    

   
 
Pressure: Hectopascals or Millibars(hPa or mb) - Inches of Mercury(in)

hPa or mb:     in:    

   
 
Dew Point Temp(Celsius) / Relative Humidity / Air Temp(Celsius) Approximation
(Enter two of the parameters to calculate the third)

Dew Point Temp(C):     Rel. Humidity: %    Air Temp(C):    

   
 
Dew Point Temp(Fahrenheit) / Relative Humidity / Air Temp(Fahrenheit) Approximation

Dew Point Temp(F):     Rel. Humidity: %    Air Temp(F):    

   
 
 
NOAA/ National Weather Service
National Centers for Environmental Prediction
Ocean Prediction Center
Attn: David Feit, W/NP41
5200 Auth Rd
Camp Springs, Maryland 20746

Phone: 301-763-8441
Fax: 301-763-8488 (SDM), 301-763-8085 (back office)


David.Feit@noaa.gov

Page last modified:  Tuesday, June 23, 2009 		About NOAA / NWS
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