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Fuel-efficiency-mass Converter

Adjust the numbers below — results update instantly
joule per kilogram (J/kg)
kilojoule per kilogram (kJ/kg)
calorie (IT) per gram (cal/g)
calorie (TH) per gram (cal (th)/g)
Btu (IT) per pound (Btu/lb)
Btu (TH) per pound (Btu (th)/lb)
gram per calorie (IT) (g/cal)
gram per calorie (TH) (g/cal (th))
kilogram per joule (kg/J)
kilogram per kilojoule (kg/kJ)
pound per Btu (IT) (lb/Btu)
pound per Btu (TH) (lb/Btu (th))
gram per metric horsepower per hour
gram per kilowatt-hour
pound per horsepower per hour
joule per kilogram (J/kg) (1)
kilojoule per kilogram (kJ/kg) (0.001)
calorie (IT) per gram (cal/g) (0.000239)
calorie (TH) per gram (cal (th)/g) (0.000239)
Btu (IT) per pound (Btu/lb) (0.00043)
Btu (TH) per pound (Btu (th)/lb) (0.00043)
gram per calorie (IT) (g/cal) (0.000239)
gram per calorie (TH) (g/cal (th)) (0.000239)
kilogram per joule (kg/J) (1)
kilogram per kilojoule (kg/kJ) (0.001)
pound per Btu (IT) (lb/Btu) (0.00043)
pound per Btu (TH) (lb/Btu (th)) (0.00043)
gram per metric horsepower per hour (3.776727e-10)
gram per kilowatt-hour (2.777778e-10)
pound per horsepower per hour (1.689659e-7)
Result: 1 J/kg = 0.001 kJ/kg
1J/kg × (1 / 1000) = 0.001kJ/kg

Full list of Fuel-efficiency-mass units with conversion links and formulas

Joule per kilogram [J/kg] is the base unit for Fuel-efficiency-mass.