Psychrometric Properties
SI Units

Barometric pressure based on:

Elevation (meters)
Actual Pressure (kPa)
Actual Pressure (mm Hg)

Enter Value:

 Humidity measured as:

RH (%)
Wet Bulb (oC)
Dew Point (oC)


Value:

Enter Dry Bulb Temperature:

(oC)

 Calculate a wind chill based on a
Wind Speed of m/s


Chart Properties

Barometric
Pressure
(kPa)
Dry
Bulb
(oC)
Wet
Bulb
(oC)
Dew
Point
(oC)
Enthalpy
(kJ / kga)
Relative
Humidity
(%)
Humidity Ratio
(kgv / kga)
Moist Air
Specific Volume
(m3 / kga)

Other Thermodynamic Properties

Specific
Humidity
(kgv / kg)
Absolute Humidity
(kgv / m3)
Degree of
Saturation
(%)
Specific Volume
(m3 / kg)
Density
(kg / m3)
Specific Heat (kJ / kg K) Entropy
(kJ / kg K)
Isobaric Isometric k
Gas Constant
(kJ / mol K)
Virtual
Temperature
(oC)
Sensible
Enthalpy
(kJ / kga)
Latent
Enthalpy
(kJ / kga)
Internal
Energy
(kJ / kga)
Mole Fraction
Dry Air
(%)
Molecular Weight Wind Chill
(oC)
Speed of Sound
(m / s)
kJ = kiljoules
kg = kilogram of moist air
kga = kilogram of dry air
kgv = kilogram of water vapor
kPa = kilopascals
m3 = cubic meter
K = absolute temperature (Kelvins)
mol = mole