Water - Thermal Conductivity vs. Temperature
Thermal conductivity is a material property that describes ability to conduct heat. Thermal conductivity can be defined as
"the quantity of heat transmitted through a unit thickness of a material - in a direction normal to a surface of unit area - due to a unit temperature gradient under steady state conditions"
Thermal conductivity unit converter
The thermal conductivity of water depends on temperature and pressure as shown in the figures and tables below:
See also other properties of Water at varying temperature and pressure : Boiling points at high pressure , Boiling points at vacuum pressure , Density and specific weight , Dynamic and kinematic viscosity , Enthalpy and entropy , Heat of vaporization , Ionization Constant, pK w , of normal and heavy water , Melting points at high pressure , Prandtl number , Properties at Gas-Liquid Equilibrium Conditions , Saturation pressure , Specific gravity , Specific heat (heat capacity) , Specific volume , Thermal diffusivity and Vapour pressure at gas-liquid equilibrium , and Thermophysical properties at standard conditions ,
as well as thermal conductivity o f air , ammonia , butane , carbon dioxide , ethylene , hydrogen , methane , nitrogen and propane . For thermal conductivity of construction materials, see related documents at the bottom of the page.
Thermal conductivity of water at given temperatures (°C) and 1 bara:
| State of water | Temperature | Thermal conductivity | ||
|---|---|---|---|---|
| [°C] | [mW/m K] | [kcal(IT)/(h m K)] | [Btu(IT)/(h ft °F)] | |
| Liquid | 0.01 | 555.75 | 0.4779 | 0.3211 |
| 10 | 578.64 | 0.4975 | 0.3343 | |
| 20 | 598.03 | 0.5142 | 0.3455 | |
| 30 | 614.50 | 0.5284 | 0.3551 | |
| 40 | 628.56 | 0.5405 | 0.3632 | |
| 50 | 640.60 | 0.5508 | 0.3701 | |
| 60 | 650.91 | 0.5597 | 0.3761 | |
| 70 | 659.69 | 0.5672 | 0.3812 | |
| 80 | 667.02 | 0.5735 | 0.3854 | |
| 90 | 672.88 | 0.5786 | 0.3888 | |
| 99.6 | 677.03 | 0.5821 | 0.3912 | |
| Gas | 100 | 24.57 | 0.0211 | 0.0142 |
| 125 | 26.66 | 0.0229 | 0.0154 | |
| 150 | 28.83 | 0.0248 | 0.0167 | |
| 175 | 31.09 | 0.0267 | 0.0180 | |
| 200 | 33.43 | 0.0287 | 0.0193 | |
| 225 | 35.85 | 0.0308 | 0.0207 | |
| 250 | 38.34 | 0.0330 | 0.0222 | |
| 275 | 40.91 | 0.0352 | 0.0236 | |
| 300 | 43.53 | 0.0374 | 0.0252 | |
| 350 | 48.98 | 0.0421 | 0.0283 | |
| 400 | 54.65 | 0.0470 | 0.0316 | |
| 450 | 60.52 | 0.0520 | 0.0350 | |
| 500 | 66.58 | 0.0573 | 0.0385 | |
| 550 | 72.81 | 0.0626 | 0.0421 | |
| 600 | 79.17 | 0.0681 | 0.0457 | |
| 700 | 92.28 | 0.0794 | 0.0533 | |
| 800 | 105.81 | 0.0910 | 0.0611 | |
| 900 | 119.67 | 0.1029 | 0.0691 | |
Thermal conductivity of water at given temperatures (°F) and 14.5 psia:
| State of water | Temperature | Thermal conductivity | |||
|---|---|---|---|---|---|
| [°F] | [Btu(IT)/(h ft °F)] | [Btu(IT) in/(h ft2°F)] | [mW/m K] | [x 10-3 cal(IT)/(s cm2K)] | |
| Liquid | 32 | 0.3211 | 3.853 | 555.73 | 1.327 |
| 40 | 0.3273 | 3.927 | 566.39 | 1.353 | |
| 60 | 0.3408 | 4.089 | 589.80 | 1.409 | |
| 80 | 0.3520 | 4.225 | 609.30 | 1.455 | |
| 100 | 0.3615 | 4.338 | 625.62 | 1.494 | |
| 120 | 0.3694 | 4.433 | 639.35 | 1.527 | |
| 140 | 0.3761 | 4.513 | 650.91 | 1.555 | |
| 160 | 0.3817 | 4.580 | 660.57 | 1.578 | |
| 180 | 0.3862 | 4.635 | 668.45 | 1.597 | |
| 200 | 0.3897 | 4.677 | 674.49 | 1.611 | |
| 211.3 | 0.3912 | 4.694 | 677.03 | 1.617 | |
| Gas | 212 | 0.0142 | 0.170 | 24.57 | 0.059 |
| 250 | 0.0152 | 0.183 | 26.33 | 0.063 | |
| 300 | 0.0166 | 0.199 | 28.73 | 0.069 | |
| 350 | 0.0181 | 0.217 | 31.25 | 0.075 | |
| 400 | 0.0196 | 0.235 | 33.86 | 0.081 | |
| 450 | 0.0211 | 0.254 | 36.56 | 0.087 | |
| 550 | 0.0244 | 0.293 | 42.24 | 0.101 | |
| 600 | 0.0261 | 0.313 | 45.20 | 0.108 | |
| 650 | 0.0279 | 0.334 | 48.24 | 0.115 | |
| 700 | 0.0297 | 0.356 | 51.35 | 0.123 | |
| 750 | 0.0315 | 0.378 | 54.52 | 0.130 | |
| 800 | 0.0334 | 0.400 | 57.76 | 0.138 | |
| 900 | 0.0372 | 0.447 | 64.41 | 0.154 | |
| 1000 | 0.0412 | 0.494 | 71.27 | 0.170 | |
| 1100 | 0.0453 | 0.543 | 78.32 | 0.187 | |
| 1200 | 0.0494 | 0.593 | 85.53 | 0.204 | |
| 1400 | 0.0580 | 0.696 | 100.35 | 0.240 | |
| 1600 | 0.0668 | 0.802 | 115.63 | 0.276 | |
Related Topics
• Material Properties
Properties of gases, fluids and solids. Densities, specific heats, viscosities and more.
• Steam and Condensate
Design of steam & condensate systems with properties, capacities, sizing of pipe lines, system configuration and more.
• Thermodynamics
Calculate heat, work, temperature and energy. The thermodynamics of steam and condensate systems. Water and Ice properties.
• Thermodynamics
Work, heat and energy systems.
• Water Systems
Design of hot and cold water service and utility systems with properties, capacities, sizing of pipe lines and more.
Related Documents
Air - Thermal Conductivity vs. Temperature and Pressure
Online calculator with figures and tables showing air thermal conductivity vs. temperature and pressure. SI and imperial units.
Ammonia - Thermal Conductivity vs. Temperature and Pressure
Online calculator, figures and tables showing thermal conductivity of liquid and gaseous ammonia at temperatures ranging -70 to 425 °C (-100 to 800 °F) at atmospheric and higher pressure - Imperial and SI Units.
Benzene Liquid - Thermal Properties
Properties like density, specific heat, thermal conductivity, dynamic viscosity and Prandtl number.
Calcium Silicate Insulation
Thermal conductivity of calcium silicate insulation - temperature and k-values.
Carbon dioxide - Thermal Conductivity vs. Temperature and Pressure
Online calculator, figures and table showing thermal conductivity of carbon dioxide, CO2, at temperatures ranging from -50 to 775 °C (-50 to 1400 °F) at atmospheric and higher pressure - Imperial and SI Units.
Conductive Heat Transfer
Conductive heat transfer takes place in a solid if there is a temperature gradient.
Fiberglass Insulation
Thermal conductivity of fiberglass insulation - temperature and k-values.
Heat Exchanger Materials - Thermal Conductivities
Typical heat exchanger materials and their thermal conductivities.
Heavy Water - Thermophysical Properties
Thermodynamic properties of heavy water (D2O) like density, melting temperature, boiling temperature, latent heat of fusion, latent heat of evaporation, critical temperature and more.
Ice and Water - Melting Points vs. Pressure
Online calculator, figures and tables with melting points of ice to water at pressures ranging from 0 to 29000 psia (0 to 2000 bara). Temperature given as °C, °F, K and °R.
Liquid Ammonia - Thermal Properties at Saturation Pressure
Density, specific heat, thermal conductivity, viscosity and Prandtls no. of liquid ammonia at saturation pressure.
Liquids - Thermal Conductivities
Some fluids and their thermal conductivities.
Metals, Metallic Elements and Alloys - Thermal Conductivities
Thermal conductivities of common metals, metallic elements aand alloys.
Methane - Thermal Conductivity vs. Temperature and Pressure
Online calculator, figures and table showing thermal conductivity of methane, CH4, at temperatures ranging from -160 to 725 °C (-260 to 1300 °F) at atmospheric and higher pressure - Imperial and SI Units.
Octane Liquid - Thermal Properties
Density, specific heat, thermal conductivity and more.
Overall Heat Transfer Coefficients
Walls or heat exchangers - calculate overall heat transfer coefficients.
Perlite Insulation
Thermal conductivity - k-values - vs. temperature.
Pipes and Cylinders - Conductive Heat Losses
Conductive heat losses through cylinder or pipe walls.
Plastics - Thermal Conductivity Coefficients
Thermal conductivity of plastics.
Polyurethane Insulation
Thermal conductivity - k-values - vs. temperature.
Propane - Thermal Conductivity vs. Temperature and Pressure
Online calculator, figures and tables showing thermal conductivity of liquid and gaseous propane at varying temperarure and pressure, SI and Imperial units.
Solids, Liquids and Gases - Thermal Conductivities
Thermal conductivity coefficients for insulation materials, aluminum, asphalt, brass, copper, steel, gases and more.
Thermal Conductivity - Online Converter
Convert between thermal conductivity units.
Thermal Conductivity Unit Converter
Convert between thermal conductivity units - table and diagram.
Thermal Resistivity and Conductivity
The ability of a material to resist flow of heat.
Toluene Liquid - Thermal Properties vs. Temperature
Density, specific heat, thermal conductivity and more.
Transmission Heat Loss through Building Elements
Heat loss through common building elements due to transmission, R-values and U-values - imperial and SI units.
Water - Boiling Points at Higher Pressures
Online calculator, figures and tables showing boiling points of water at pressures ranging from 14.7 to 3200 psia (1 to 220 bara). Temperature given as °C, °F, K and °R.
Water - Boiling Points at Vacuum Pressure
Online calculator, figures and tables giving the boiling temperatures of water in varying vacuum, SI and Imperial units.
Water - Density, Specific Weight and Thermal Expansion Coefficients
Definitions, online calculator and figures and tables with water properties like density, specific weight and thermal expansion coefficient of liquid water at temperatures ranging 0 to 360°C (32 to 680°F).
Water - Dynamic (Absolute) and Kinematic Viscosity vs. Temperature and Pressure
Free online calculator - figures and tables with viscosity of water at temperatures ranging 0 to 360°C (32 to 675°F) - Imperial and SI Units.
Water - Enthalpy and Entropy vs. Temperature
Figures and tables showing the enthalpy and entropy of liquid water as function of temperature - SI and Imperial Units.
Water - Heat of Vaporization vs. Temperature
Online calculator, figures and tables showing heat of vaporization of water, at temperatures from 0 - 370 °C (32 - 700 °F) - SI and Imperial units.
Water - Ionization Constant, pKw, of Normal and Heavy Water
Ionization constant (= dissociation constant = self-ionization constant = ion product = autoprotolysis constant ) of water and heavy water, given as function of temperature (°C and °F) in figures and tables.
Water - Properties at Gas-Liquid Equilibrium Conditions
Figures and tables showing how the properties of water changes along the boiling/condensation curve (vapor pressure, density, viscosity, thermal conductivity, specific heat, Prandtl number, thermal diffusivity, entropy and enthalpy).
Water - Saturation Pressure vs. Temperature
Online calculator, figures and tables with water saturation (vapor) pressure at temperatures ranging 0 to 370 °C (32 to 700°F) - in Imperial and SI Units.
Water - Specific Gravity vs. Temperature
Figures and tables showing specific gravity of liquid water in the range of 32 to 700 °F or 0 to 370°C, using water density at four different temperatures as reference.
Water - Specific Heat vs. Temperature
Online calculator, figures and tables showing specific heat of liquid water at constant volume or constant pressure at temperatures from 0 to 360 °C (32-700 °F) - SI and Imperial units.
Water - Specific Volume vs. Temperature
Online calculator, figures and tables showing Specific Volume of water at temperatures ranging from 0-370 °C and 32 - 700 °F - Imperial and IS Units.
Water - Thermal Diffusivity vs. Temperature and Pressure
Figures and tables with thermal diffusivity of liquids and gaseous water at varying temperarures and pressures - SI and Imperial units.
Water - Thermophysical Properties
Thermal properties of water at different temperatures like density, freezing temperature, boiling temperature, latent heat of melting, latent heat of evaporation, critical temperature and more.
Water vs. Steam - Critical and Triple Points
Critical point is where vapor and liquid are indistinguishable and triple point is where ice, water and vapor coexist in thermodynamic equilibrium.