// multi-utility computation suite · offline · instant · precise
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eng.psychrometric-enthalpy Calculator
Calculates moist air enthalpy, specific volume, wet-bulb temperature, and dew point from dry-bulb temperature and humidity ratio. Enthalpy is the total heat content per kg of dry air — HVAC cooling coil sizing uses enthalpy differences, not just sensible temperature change.
Inputs
Dry Bulb C
Thermal state of the substance. Check whether the formula needs Celsius, Fahrenheit, or Kelvin (K = °C + 273.15).
Relative Humidity Pct
Reference formula or conversion factor shown for context.
Altitude M
Reference formula or conversion factor shown for context.
Results
enthalpy h (kJ/kg dry air)
Sample size or count used in the calculation.
humidity ratio W (kg/kg)
The proportional relationship between two quantities.
dew point (°C)
Sample size or count used in the calculation.
specific volume (m³/kg)
The computed three-dimensional volume.
saturation pressure (kPa)
How close the system is to its capacity limit. Above 80% sustained saturation typically leads to queuing and latency spikes.