Psychrometric Calculator
Calculate moist air properties from dry bulb temperature and humidity.
Comfort Zones
| Season | Temp Range | RH Range |
|---|---|---|
| Summer | 73-79°F | 30-60% |
| Winter | 68-74°F | 30-50% |
Formulas
Humidity Ratio: W = 0.622 × Pv / (Patm - Pv)
Enthalpy: h = 0.24×Tdb + W×(1061 + 0.444×Tdb)
Specific Volume: v = 0.370486×(Tdb + 459.67)×(1 + 1.6078×W) / Patm