Fuel Efficiency - Mass conversion
1 kilocalorie/kilogram (kcal/kg) equals 4,186.8 joule/kilogram (J/kg). Enter any value below to convert from kcal/kg to J/kg.
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1 kcal/kg = 4,186.8 J/kg
| 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 |
Formula
Use this relationship for a direct conversion:
2 kcal/kg = 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
| Kilocalorie/kilogram (kcal/kg) | 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
Kilocalorie/kilogram (kcal/kg) is a unit of Fuel Efficiency - Mass. 1 kcal/kg = 4,186.8 J/kg
Symbol: kcal/kg
To unit
Joule/kilogram (J/kg) is the base unit of Fuel Efficiency - Mass in the International System of Units (SI).
Symbol: J/kg
Keep converting
Source
The SI framework is checked against NIST Guide for the Use of the International System of Units; conventional factors come from the extended factor inventory. Calculations use full internal precision before display rounding.
View the complete fuel efficiency - mass converterQuestions
Use the formula J/kg = kcal/kg x 4,186.8. 1 kilocalorie/kilogram (kcal/kg) equals 4,186.8 joule/kilogram (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.
