Fuel Efficiency - Mass conversion
1 kilocalorie/kilogram (kcal/kg) equals 1.8 btu/pound (Btu/lb). Enter any value below to convert from kcal/kg to Btu/lb.
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1 kcal/kg = 1.8 Btu/lb
| 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 = 3.6 Btu/lb.
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) | Btu/pound (Btu/lb) |
|---|---|
| 0.01 | 0.018 |
| 0.1 | 0.18 |
| 1 | 1.8 |
| 2 | 3.6 |
| 5 | 9 |
| 10 | 18 |
| 25 | 45 |
| 50 | 90 |
| 100 | 180 |
| 1,000 | 1,800 |
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
Btu/pound (Btu/lb) is a unit of Fuel Efficiency - Mass. 1 Btu/lb = 2,326 J/kg
Symbol: Btu/lb
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 Btu/lb = kcal/kg x 1.8. 1 kilocalorie/kilogram (kcal/kg) equals 1.8 btu/pound (Btu/lb).
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.
