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Humidity Calculator for Relative Humidity, Dew Point, Water Vapor Content, etc.

The Rotronic Humidity Calculator calculates various humidity parameters such as dew point, frost point, vapor concentration, water vapor content, relative humidity, enthalpy, etc. from a given value. You can convert your data with a simple click and discover the impacts on temperature and pressure. 

We will gladly help you choose the right humidity measuring instrument  ̶  from probes and transmitters to data loggers and handheld instruments  ̶  or in implementing integrated monitoring solutions that go far beyond humidity measurement alone.

Watch our video "Measurement of Relative Humidity"

Unit
H %rh
Temperature
T °C
Pressure
P hPa
progressbar
Humidity
H%rh
Temperature
T°C
Pressure
PhPa
Wet-bulb temperature
Tw°C
Psychrometric difference
T-Tw°C
Dew point
Dp°C
Frost point
Fp°C
Vapour Concentration (moist)
Dvg/m³
Specific Humidity (moist)
Qg/kg
Mixing Ratio by Wt. (dry)
Rg/kg
Vapour partial pressure
EhPa
Vapour saturation pressure
EwhPa
Saturation vapour concentration
Dvsg/m³
Enthalpy
HkJ/kg
Volume Mixing Ratio (dry)
 ppm
Elevation (ref. sea level)
 m