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Saturated / Actual Water Vapor Pressure Calculator

Calculate the water vapor pressure from the values of temperature or dewpoint. Relative humidity can also be calculated by knowing these two values.
 

Saturated / Actual Water Vapor Pressure

  • want to enter the value of

    I to calculate the vapor pressure

Formula:
e = 6.11 * 10Sd
es = 6.11*10S
rh = (e * 100 ) / es
Sd = ( 7.5 * Td ) / ( 237.7 + Td )
S = ( 7.5 * T ) / ( 237.7 + T )


Where,
e = Actual Vapor pressure,
es = Saturated Vapor pressure,
rh = Relative humidity,
Td = Dewpoint Temperature in celcius,
T = Temperature in celcius.

Actually, saturated / actual water vapor pressure calculator determines the rate of evaporation of liquid in the weather.