Unit of energy in the British and American system of units. Mainly used within the gas industry. One therm can be provided by roughly 96.7 cubic feet of natural gas.

1 calorie=4.1868 joules 1 kilowatt hour=3.6x106 J
1 therm (EEC)=105.506x106 J 1 therm (US)=105.4804x106 J
1 thermie=4.185407x106 J 1 therm (EEC)=105 Btu

See also: Approximate Energy, British Thermal Unit, Energy, Erg, Joule, Thermie.

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