1 calorie/gram (cal/g) equals 4,186.8 joule/kilogram (J/kg). Enter any value below to convert from cal/g to J/kg.
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1 cal/g = 4,186.8 J/kg
All Fuel Efficiency - Mass units
From 1 cal/g
Unit
Value
Joule/kilogram J/kg
4,186.8
Kilojoule/kilogram kJ/kg
4.1868
Calorie/gram cal/g
1
Kilocalorie/kilogram kcal/kg
1
Btu/pound Btu/lb
1.8
Btu/kilogram Btu/kg
3.9683051201
Recent conversions
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Formula
cal/g to J/kg conversion formula
Use this relationship for a direct conversion:
J/kg = cal/g x 4,186.8
Worked example
2 cal/g = 8,373.6 J/kg.
SI relationships follow the cited reference. Conventional and domain-specific factors use the established ConvertWin factor inventory; verify safety-critical work against the governing standard.
Quick reference
Calorie/gram to Joule/kilogram table
Calorie/gram (cal/g)
Joule/kilogram (J/kg)
0.01
41.868
0.1
418.68
1
4,186.8
2
8,373.6
5
20,934
10
41,868
25
104,670
50
209,340
100
418,680
1,000
4,186,800
From unit
About the calorie/gram
Calorie/gram (cal/g) is a unit of Fuel Efficiency - Mass. 1 cal/g = 4,186.8 J/kg
Symbol: cal/g
To unit
About the joule/kilogram
Joule/kilogram (J/kg) is the base unit of Fuel Efficiency - Mass in the International System of Units (SI).
How do you convert calorie/gram to joule/kilogram?
Use the formula J/kg = cal/g x 4,186.8. 1 calorie/gram (cal/g) equals 4,186.8 joule/kilogram (J/kg).
Is the cal/g to J/kg conversion exact?
SI relationships follow the cited reference. Conventional and domain-specific factors use the established ConvertWin factor inventory; verify safety-critical work against the governing standard.