Fluids / Water

Density of water vs temperature

Density in kg/m³, from 0 to 100 °C. The chart and the table below are the same numbers; the table is the one you can copy.

Density kg/m³
Density of water in kg/m³, from 0 to 100 °C9609659709759809859909950102030405060708090100Temperature (°C)Density (kg/m³)
Water — everything else at 20 °C (default)
Dynamic viscosity1.0016 mPa·s
Specific heat4.1844 kJ/(kg·K)
Thermal conductivity0.5984 W/(m·K)
Vapour pressure2.3296 kPa
Latent heat of vaporisation2,453.5 kJ/kg
Density by temperature
Temperature (°C)Density (kg/m³)
0999.84
10999.7
20998.2
30995.65
40992.22
50988.04
60983.2
70977.77
80971.8
90965.32
100958.36

Kell (1975) density on ITS-90; IAPWS 2008 viscosity; IAPWS-95 for cp, k and hfg; Antoine for vapour pressure · validated 0 to 100 °C · closed-form correlation, no interpolation table behind it