heat unit

energy unit work unit

unit unit of measurement

B.T.U. B.Th.U. Board of Trade unit British thermal unit BTU calorie electron volt erg eV foot-pound foot-poundal foot-ton gram calorie horsepower-hour J joule kilocalorie kilogram calorie kilogram-meter kilowatt hour kW-hr large calorie nutritionist''s calorie small calorie therm watt second watt-hour