Water Property Calculator

This calculator calculates thermodynamic properties for water as function of pressure and temperature. It is capable of 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). The calculator is only valid for water on liquid form.

IAPWS-IF97 industrial formulation and IAPWS R12-08 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.

Symbol Property Value Unit
T Temperature 30.00
p Pressure 2.000 Bar(A)
T Saturation temperature at 2.00 Bar(A) 120.21
p Vapor pressure or saturation pressure at 30.00 0.0425 Bar(A)
ρ Density 995.696 kg/m3
cp Specific Isobaric Heat Capacity 4.180 kJ/(kg×K)
cv Specific Isochoric Heat Capacity 4.117 kJ/(kg×K)
h Specific Enthalpy 125.924 kJ/kg
s Specific Entropy 0.4367 kJ/(kg×K)
u Specific Internal Energy 125.7229 kJ/kg
μ Dynamic Viscosity 0.79722 mPa×s
ν Kinematic Viscosity 0.80067 mm2/s
αv Thermal Expansion Coefficient 0.00030 1/K
w Speed of Sound 1511 m/s
λ Thermal Conductivity 0.61445 W/(m×K)
Pr Prandtl's number 5.42 -