Individual Steam Properties Calculator watch tutorial view guide

Calculates steam and liquid water properties given two properties using the IAPWS Industrial Formulation 1997.

Pressure* psig
* °C btu/lbm kJ/kg/K
* Required
Allowed Range / Limits
Examples: Mouse Over
Random Sub-Cooled Liquid Saturated Liquid Saturated Mixture Saturated Gas Super-Heated Gas

Steam Properties

Pressure364.9 psig
Temperature662.8 °F
Specific Enthalpy1,343.7 btu/lbm
Specific Entropy1.629 btu/lbm/R
Phase / QualityGas
Specific Volume1.677 ft³/lb

Temperature-Entropy Diagram

Temperature-Entropy Diagram

Recent Properties (max 20) - [download] - [clear]

Pressure Temperature Specific Enthalpy Specific Entropy Phase / Quality Specific Volume
psig °F btu/lbm btu/lbm/R ft³/lb
364.9 662.8 1,343.7 1.629Gas1.677