All Steam Functions

Calculate Steam Properties from two inputs


Inputs - fill in 2

This page provides a free online properties of water and steam calculations. Enter two values (pressure, temperature, enthalpy, entropy, quality) and select the units of measure (SI, US customary, etc.) and all the other properties are calculated and displayed. This online thermodynamic water and steam properties calculator includes the partial derivatives of the steam properties. Currently the partial derivatives are only available for SI units. These online IAPWS steam tables (or equivalently online ASME steam tables) are based on the most current IAPWS-IF97 formulations. We hope that these free online steam properties calculations provide value to the power industry and to university students.

Returns

pressure
...
temperature
...
quality
...
enthalpy
...
entropy
...
internalEnergy
...
volume
...
isobaricHeat
...
isochoricHeat
...
speedOfSound
...
viscosity
...
thermalConductivity
...
dPdT_V
...
dPdT_U
...
dPdT_H
...
dPdT_S
...
dPdV_T
...
dPdV_U
...
dPdV_H
...
dPdV_S
...
dPdU_T
...
dPdU_V
...
dPdU_H
...
dPdU_S
...
dPdH_T
...
dPdH_V
...
dPdH_U
...
dPdH_S
...
dPdS_T
...
dPdS_V
...
dPdS_U
...
dPdS_H
...
dTdP_V
...
dTdP_U
...
dTdP_H
...
dTdP_S
...
dTdV_P
...
dTdV_U
...
dTdV_H
...
dTdV_S
...
dTdU_P
...
dTdU_V
...
dTdU_H
...
dTdU_S
...
dTdH_P
...
dTdH_V
...
dTdH_U
...
dTdH_S
...
dTdS_P
...
dTdS_V
...
dTdS_U
...
dTdS_H
...
dVdP_T
...
dVdP_U
...
dVdP_H
...
dVdP_S
...
dVdT_P
...
dVdT_U
...
dVdT_H
...
dVdT_S
...
dVdU_P
...
dVdU_T
...
dVdU_H
...
dVdU_S
...
dVdH_P
...
dVdH_T
...
dVdH_U
...
dVdH_S
...
dVdS_P
...
dVdS_T
...
dVdS_U
...
dVdS_H
...
dUdP_T
...
dUdP_V
...
dUdP_H
...
dUdP_S
...
dUdT_P
...
dUdT_V
...
dUdT_H
...
dUdT_S
...
dUdV_P
...
dUdV_T
...
dUdV_H
...
dUdV_S
...
dUdH_P
...
dUdH_T
...
dUdH_V
...
dUdH_S
...
dUdS_P
...
dUdS_T
...
dUdS_V
...
dUdS_H
...
dHdP_T
...
dHdP_V
...
dHdP_U
...
dHdP_S
...
dHdT_P
...
dHdT_V
...
dHdT_U
...
dHdT_S
...
dHdV_P
...
dHdV_T
...
dHdV_U
...
dHdV_S
...
dHdU_P
...
dHdU_T
...
dHdU_V
...
dHdU_S
...
dHdS_P
...
dHdS_T
...
dHdS_V
...
dHdS_U
...
dSdP_T
...
dSdP_V
...
dSdP_U
...
dSdP_H
...
dSdT_P
...
dSdT_V
...
dSdT_U
...
dSdT_H
...
dSdV_P
...
dSdV_T
...
dSdV_U
...
dSdV_H
...
dSdU_P
...
dSdU_T
...
dSdU_V
...
dSdU_H
...
dSdH_P
...
dSdH_T
...
dSdH_V
...
dSdH_U
...