Psychrometrics calculator
Psychrometrics Chart
Enter Dry Bulb temperature, then Wet Bulb temperature or Relative Humidity %
Dry Bulb | °C | |
Wet Bulb | °C | |
Altitude | meters asl | RH | % | Dewpoint | °C |
Enthalpy | kJ/kg | |
Density | kg/m³ | |
Specific Volume | m³/kg | |
Atmospheric Pressure | Pa | |
Humidity Ratio | kg/kg | |
Partial Vapor Pressure | Pa | |
Saturated Vapor Pressure | Pa |
Please note:
Insignificant differences between chart data and calculator results may occur due to interpolation & rounding.
Procedure developed by Jacob Knight - Based on ASHRAE Fundamentals (SI) 2017. All rights acknowledged.