Steam Property Calculator

This calculator calculates thermodynamic properties for dry steam as function of pressure and temperature. It can be used for calculating the properties density, specific isobaric heat capacity, specific isochoric heat capacity, specific enthalpy, specific entropy, specific internal energy, dynamic viscosity and kinematic viscosity as function of pressure and temperature. Temperature input is in Degree Celsius and the pressure is absolut pressure in bar i.e. Bar(A).

IAPWS-IF97 industrial formulation developed by The International Association for the Properties of Water and Steam (IAPWS) has been used as source when making the calculator. IAPWS are by no means assosiated with this site nor have they verified our implementation and the results from the calculator.

SymbolPropertyValueUnit
TTemperature100.00
pPressure1.013Bar(A)
ρDensity0.598kg/m3
cpSpecific Isobaric Heat Capacity2.077kJ/(kg×K)
cvSpecific Isochoric Heat Capacity1.554kJ/(kg×K)
hSpecific Enthalpy2675.585kJ/kg
sSpecific Entropy7.3545kJ/(kg×K)
uSpecific Internal Energy2506.0256kJ/kg
μDynamic Viscosity0.01223mPa×s
νKinematic Viscosity20.46970mm2/s
αvThermal Expansion Coefficient0.002901/K
wSpeed of Sound472m/s
λThermal Conductivity0.02457W/(m×K)
PrPrandtl's number1.03-