l Btu/lb = 0.556 kcal/kg 2326 J/kg l kcal/m2 = 0.369 Btu/ft2 1 kcal/m2 K ... and heat 1 joule 1 Btu l kcal 1 ft lb 1 kg m = 1 watt second = l Nm = 0.74 ...
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