Convert joule/kilogram to kilojoule/kilogram

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Joule/Kilogram

The joule per kilogram (J/kg) is the SI unit of specific energy or fuel efficiency per unit mass. It represents the amount of energy released or consumed per kilogram of fuel. It is used in thermodynamics and fuel science to compare the energy content of different materials on a mass basis. 


Kilojoule/Kilogram

The kilojoule per kilogram (kJ/kg) is a practical unit of specific energy widely used in food science, combustion engineering, and thermodynamics. One kJ/kg equals 1000 J/kg. It is used to express calorific values of fuels and the enthalpy of phase changes such as vaporisation. 


Joule/Kilogram to Kilojoule/Kilogram conversion table
Joule/KilogramKilojoule/Kilogram
10.001
20.002
50.005
100.01
250.025
500.05
1000.1
5000.5
10001

Most common fuel efficiency - mass unit conversions