HomeUnit ConverterHeat Unit ConvertersFuel Efficiency - Mass Converter Fuel Efficiency – Mass Converter Instantly convert fuel efficiency to mass with precision. Simplify your calculations with our easy-to-use fuel efficiency to mass converter. Joule/kilogram [J/kg] Kilojoule/kilogram [kJ/kg] Calorie (IT)/gram [cal/g] Calorie (th)/gram [cal (th)/g] Btu (IT)/pound [Btu/lb] Btu (th)/pound [Btu (th)/lb] Kilogram/joule [kg/J] Kilogram/kilojoule [kg/kJ] Gram/calorie (IT) [g/cal] Gram/calorie (th) [g/cal (th)] Pound/Btu (IT) [lb/Btu] Pound/Btu (th) [lb/Btu (th)] Pound/horsepower/hour Gram/horsepower (metric)/hour Gram/kilowatt/hour Joule/kilogram [J/kg] Kilojoule/kilogram [kJ/kg] Calorie (IT)/gram [cal/g] Calorie (th)/gram [cal (th)/g] Btu (IT)/pound [Btu/lb] Btu (th)/pound [Btu (th)/lb] Kilogram/joule [kg/J] Kilogram/kilojoule [kg/kJ] Gram/calorie (IT) [g/cal] Gram/calorie (th) [g/cal (th)] Pound/Btu (IT) [lb/Btu] Pound/Btu (th) [lb/Btu (th)] Pound/horsepower/hour Gram/horsepower (metric)/hour Gram/kilowatt/hour 1 Joule/kilogram = 0.001 Kilojoule/kilogram Conversion formula will appear here. Fuel Efficiency (Mass) Conversion Table – Customize & Download in CSV or PDF Customize Table Download as CSV Download as PDF More Tools Fuel Efficiency – Volume Converter Heat Density Converter Heat Flux Density Converter Heat Transfer Coefficient Converter Specific Heat Capacity Converter Temperature Interval Converter Thermal Conductivity Converter Thermal Expansion Converter Thermal Resistance Converter