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# Thermal Conductivity - Unit Converting Table

## Convert between thermal conductivity units - table and diagram.

Thermal conductivity - k - indicates a materials ability to conduct heat.

 Multiply with Convert from Convert to Btu ft / (h ft2 oF) Btu in / (h ft2 oF) Btu in / sec ft2 oF) Cal / (cm s oC) Kcal / (cm s oC) Btu ft / (h ft2 oF) 1 12 0.0033 0.0041 4.134 10-6 Btu in / (h ft2 oF) 0.0833 1 0.000278 0.00035 3.45 10-7 Btu in / (sec ft2 oF) 300 3600 1 1.24 0.0012 Cal / (cm s oC) 241.9 2903 0.806 1 0.001 Kcal / (cm s oC) 2.42 105 2.9 106 806.3 1000 1 Kcal / (m h oC) 0.672 8.06 0.0022 0.00278 2.778 10-6 Erg / (cm s oC) 5.78 106 6.93 10-5 1.92 10-8 2.39 10-8 2.389 10-11 Joules / (m h oC) 1.61 10-4 0.00193 5.35 10-7 6.64 10-7 6.635 10-10 Watt / (ft oC) 1.89 22.8 0.0078 0.0078 7.84 10-6 Watt / (m K) 0.58 6.94 0.00193 0.0024 2.39 10-6
 Multiply with Convert from Convert to Kcal / (m h oC) Erg / (cm s oC) Joules / (m h oC) Watt / (ft oC) Watt / (m K) Btu ft / (h ft2 oF) 1.49 173076 6230 0.527 1.73 Btu in / (h ft2 oF) 0.124 14423 519 0.044 0.14 Btu in / (sec ft2 oF) 446.5 5.19 107 1.87 106 158.2 519 Cal / (cm s oC) 360 4.19 107 1.51 106 127.6 418 Kcal / (cm s oC) 360000 4.19 1010 1.51 109 1.276 105 4.18 105 Kcal / (m h oC) 1 116300 4187 0.354 1.16 Erg / (cm s oC) 8.6 10-6 1 0.036 3.05 10-6 1 10-5 Joules / (m h oC) 0.00024 27.78 1 8.47 10-5 2.78 10-4 Watt / (ft oC) 2.82 328123 11811 1 3.28 Watt / (m K) 0.86 1 105 3600 0.305 1

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Temperature

oC
oF

Length

m
km
in
ft
yards
miles
naut miles

Area

m2
km2
in2
ft2
miles2
acres

Volume

m3
liters
in3
ft3
us gal

Weight

kgf
N
lbf

Velocity

m/s
km/h
ft/min
ft/s
mph
knots

Pressure

Pa (N/m2)
bar
mm H2O
kg/cm2
psi
inches H2O

Flow

m3/s
m3/h
US gpm
cfm

3 30