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Conversion Factors for Units of Thermal Conductance

Metric Units British Units
Watt per square centimetre degree C
(W/cm2 deg C)		 Calorie per square centimetre second degree C
(cal/cm2 & deg C) 		Thousand kilocalories per square metre hour degree C
(103 kcal/m2 hr deg C) 		Thousand British thermal units per square foot hour degree F
(103 BTh U/ft2 hr deg F)
1 Watt per square
centimetre degree C
(W/cm2 deg C)		 1 0.238 846 8.598 5 1.701 10
 
1 Calorie per square
centimetre second degree C
(cal/cm2 & deg C) 		4.186 8 1 36 7.373 4
 
1 Thousand kilocalories per square metre hour degree C
(103 kcal/m2 hr deg C) 		0.116 3 0.027 777 8 1 0.204 816
 
1 Thousand British thermal units per square foot hour degree F
(103 BTh U/ft2 hr deg F)		 0.567 83 0.135 623 4.882 43 1