Calculate HVAC air properties instantly with our free online psychrometric calculator. Get highly accurate data for dew point, relative humidity, wet bulb temperature, enthalpy, and humidity ratio. Perfect for engineers, HVAC technicians, and students looking for fast, precise thermodynamic calculations. Try it now!
Psychrometric Calculator
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Units
Relative Humidity
– %
Humidity Ratio
– g/kg
Dew Point
– °C
Wet Bulb
– °C
Enthalpy
– kJ/kg
Specific Volume
– m³/kg
Density
– kg/m³
Vapour Pressure
– kPa
Moist air at 25 °C and 50% RH, 101.325 kPa