Energy conversion

Energy conversion is a free online calculator for converting metric and imperial units of energy. Conversion between joule, Btu, foot-pound force, horsepower-hour, kilowatt-hour, electronvolt, calorie, kilocalorie...
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foot-pound force (ft lb) - unit of energy/work. 1 ft lp = 1.3558 joule
Energy conversion is a free online service for converting units of energy