Psychrometric Calculator(for high res. browser, the low res. version is also available)
Hanzhong Zhang, Ph. D.

Symbols (IP units and conversion factors click here)

DB=dry-bulb temp.(C)	DP=dew-point temp.(C)	WB=wet-bulb temp. (C)	RH=rel. humidity (%)
W=humidity ratio (ratio)	H=enthalpy (kJ/kg)	E=vapor pressure (kPa)	DS=degree of sat. (%)
ES=sat. vapor pressure (kPa)	V=specific volume (m3/kg)	DA=den. of moist air (kg/m3)	WS=sat. humidity (ratio)
Q=specific humidity (ratio)	X=abs. humidity (kg/m3)	P=atmospheric pressure (kPa)	ALL=all parameters

Invalid input-output selction, please reselect and submit the new selection.

Selection of Input Parameters--SI IP

DB	DP	WB	RH	W	H	E	ES

Selection of Output Parameters--SI IP

DB	DP	WB	RH	W	H	E	DS	ES	V	DA	WS	Q	X	ALL