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

Pressure445.6 psig
Temperature1,249.0 °F
Specific Enthalpy1,657.8 btu/lbm
Specific Entropy1.833 btu/lbm/R
Phase / QualityGas
Specific Volume2.188 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
445.6 1,249.0 1,657.8 1.833Gas2.188