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# 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.

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 most common units are W/(m K) in the SI system and Btu/(h ft °F) in the Imperial system.

Tabulated values and thermal conductivity units conversion are given below the figures.

### Online Carbon Dioxide Thermal Conductivity Calculator

The calculator below can be used to estimate the thermal conductivity of gaseous carbon dioxide at given temperatures and 1 bara.
The output conductivity is given as mW/(m K), Btu(IT)/(h ft °F), (Btu(IT) in)/(h ft2 °F) and kcal(IT)/(h m K).

Temperature

Choose the actual unit of temperature: °C  °F  °R

See also other properties of Carbon Dioxide at varying temperature and pressure:
as well as thermal conductivity o

Thermal conductivity of carbon dioxide at given temperatures and pressures:

For full table with Thermal Conductivity - rotate the screen!

 State Temperature Pressure Thermal conductivity [K] [°C] [°F] [MPa] [bara] [psia] [mW/m K] [kcal(IT)/(h m K)] [Btu(IT)/(h ft °F)] [Btu(IT) in/(h ft2 °F)] Gas 220 -53.2 -63.7 0.1 1 14.5 10.90 0.009372 0.006298 0.07558 240 -33.2 -27.7 0.1 1 14.5 12.24 0.01052 0.007072 0.08487 250 -23.2 -9.7 0.1 1 14.5 12.95 0.01113 0.007482 0.08979 260 -13.2 8.3 0.1 1 14.5 13.68 0.01176 0.007904 0.09485 280 6.9 44.3 0.1 1 14.5 15.20 0.01307 0.008782 0.1054 300 26.9 80.3 0.1 1 14.5 16.79 0.01444 0.009701 0.1164 320 47 116 0.1 1 14.5 18.42 0.01584 0.01064 0.1277 340 67 152 0.1 1 14.5 20.09 0.01727 0.01161 0.1393 360 87 188 0.1 1 14.5 21.77 0.01872 0.01258 0.1509 400 127 260 0.1 1 14.5 25.14 0.02162 0.01453 0.1743 450 177 350 0.1 1 14.5 29.35 0.02523 0.01696 0.2035 500 227 440 0.1 1 14.5 33.49 0.02880 0.01935 0.2322 600 327 620 0.1 1 14.5 41.55 0.03573 0.02401 0.2881 650 377 710 0.1 1 14.5 45.47 0.03909 0.02627 0.3152 850 577 1070 0.1 1 14.5 60.30 0.05184 0.03484 0.4181 1050 777 1430 0.1 1 14.5 73.84 0.06349 0.04267 0.5120 Gas 233.03 -40.1 -40.2 1 10 145 12.53 0.01077 0.00724 0.08688 240 -33.2 -27.7 1 10 145 12.94 0.01113 0.00748 0.08972 250 -23.2 -9.7 1 10 145 13.58 0.01168 0.00785 0.09418 260 -13.2 8.3 1 10 145 14.26 0.01226 0.00824 0.09887 280 6.9 44.3 1 10 145 15.71 0.01351 0.00908 0.1089 300 26.9 80.3 1 10 145 17.25 0.01483 0.00997 0.1196 320 46.9 116 1 10 145 18.84 0.01620 0.01089 0.1306 340 66.9 152 1 10 145 20.47 0.01760 0.01183 0.1419 360 86.9 188 1 10 145 22.12 0.01902 0.01278 0.1534 400 127 260 1 10 145 25.46 0.02189 0.01471 0.1765 450 177 350 1 10 145 29.62 0.02547 0.01711 0.2054 500 227 440 1 10 145 33.74 0.02901 0.01949 0.2339 600 327 620 1 10 145 41.76 0.03591 0.02413 0.2895 650 377 710 1 10 145 45.65 0.03925 0.02638 0.3165 850 577 1070 1 10 145 60.44 0.05196 0.03492 0.4190 1050 777 1430 1 10 145 73.96 0.06359 0.04273 0.5128 Liquid 250 -23.2 -9.7 5 50 725 142.2 0.1223 0.08217 0.9861 287.43 14.3 57.7 5 50 725 92.76 0.07976 0.05360 0.6432 Gas 287.43 14.3 57.7 5 50 725 27.32 0.02349 0.01579 0.1894 450 177 350 5 50 725 31.16 0.02680 0.01801 0.2161 650 377 710 5 50 725 46.59 0.04006 0.02692 0.3230 850 577 1070 5 50 725 61.12 0.05255 0.03531 0.4238 1050 777 1430 5 50 725 74.49 0.06405 0.04304 0.5165 Liquid 250 -23.2 -9.7 10 100 1450 147.5 0.1268 0.08524 1.023 Supercritical phase 450 177 350 10 100 1450 33.92 0.02916 0.01960 0.2352 650 377 710 10 100 1450 48.01 0.04128 0.02774 0.3328 850 577 1070 10 100 1450 62.09 0.05339 0.03588 0.4305 1050 777 1430 10 100 1450 75.24 0.06470 0.04347 0.5217 Supercritical phase 250 -23.2 -9.7 100 1000 14504 206.3 0.1774 0.1192 1.430 450 177 350 100 1000 14504 106.7 0.09170 0.06162 0.7395 650 377 710 100 1000 14504 86.09 0.07403 0.04974 0.5969 850 577 1070 100 1000 14504 87.26 0.07503 0.05042 0.6050 1050 777 1430 100 1000 14504 94.02 0.08084 0.05432 0.6519

Thermal conductivity units conversion:

Thermal conductivity unit converter

british thermal unit(international)/(foot hour degree fahrenheit) [Btu(IT)/(ft h°F], british thermal unit(international)/(inch hour degree fahrenheit) [Btu(IT)/(in h°F], british thermal unit(international)*inch/(square foot*hour*degree fahrenheit) [(Btu(IT) in)/(ft² h°F)], kilocalorie/(meter hour degree celcius) [kcal/(m h°C)], joule/(centimeter second degree kelvin) [J/(cm s K)], watt/(meter degree kelvin) [W/(m°C)],

• 1 Btu(IT)/(ft h°F) = 1/12 Btu(IT)/(in h°F) = 0.08333 Btu(IT)/(in h°F) = 12 Btu(IT)in/(ft2 h°F) = 1.488 kcal/(m h°C) = 0.01731 J/(cm s K) = 1.731 W/(m K)
• 1 Btu(IT)/(in h°F) = 12 Btu(IT)/(ft h°F) = 144 Btu(IT)in/(ft2 h°F) = 17.858 kcal/(m h°C) = 0.20769 J/(cm s K)= 20.769 W/(m K)
• 1 (Btu(IT) in)/(ft² h°F) = 0.08333 Btu(IT)/(ft h°F) = 0.00694 Btu(IT)/(in h°F) = 0.12401 kcal/(m h°C) = 0.001442 J/(cm s K) = 0.1442 W/(m K)
• 1 J/(cm s K) = 100 W/(m K) = 57.789 Btu(IT)/(ft h°F) = 4.8149 Btu(IT)/(in h°F) = 693.35 (Btu(IT) in)/(ft² h°F) = 85.984 kcal/(m h°C)
• 1 kcal/(m h°C) = 0.6720 Btu(IT)/(ft h°F) = 0.05600 Btu(IT)/(in h°F) = 8.0636 (Btu(IT) in)/(ft2 h°F) = 0.01163 J/(cm s K) = 1.163 W/(m K)
• 1 W/(m K) = 0.01 J/(cm s K) = 0.5779 Btu(IT)/(ft h°F) = 0.04815 Btu(IT)/(in h°F) = 6.9335 (Btu(IT) in)/(ft² h°F) = 0.85984 kcal/(m h°C)

## Related Topics

• Fluid Mechanics - The study of fluids - liquids and gases. Involving velocity, pressure, density and temperature as functions of space and time.
• Material Properties - Material properties of gases, fluids and solids - densities, specific heats, viscosities and more.
• Thermodynamics - Work, heat and energy systems.

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