How many calories are burned for one foot-pound of work like lifting a 1 lb bar up one foot?

1 ft lb is 1.3558179483314004 joules. 1 dietary calorie = 4,186.8 joules cal per ft. lb = 1.3558179483314004 /4186.8 = .00032383155353286529091430209229005 calories In other Words, you would need to lift the bar 3088 times to burn one calorie. Of course, in reality you would burn more calories than this due to inefficiencies in the lifting process.