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
**Example: Super-Heated Gas

Examples: Mouse Over
Random Sub-Cooled Liquid Saturated Liquid Saturated Mixture Saturated Gas Super-Heated Gas

Steam Properties

Pressure778.0 psig
Temperature795.4 °F
Specific Enthalpy1,396.3 btu/lbm
Specific Entropy1.597 btu/lbm/R
Phase / QualityGas
Specific Volume0.881 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
778.0 795.4 1,396.3 1.597Gas0.881