Fuel Efficiency - Mass conversion
1 btu/pound (Btu/lb) equals 0.555555555556 kilocalorie/kilogram (kcal/kg). Enter any value below to convert from Btu/lb to kcal/kg.
Enter a value and choose units. Results update instantly.
1 Btu/lb = 0.5555555556 kcal/kg
| Unit | Value |
|---|---|
| Joule/kilogram J/kg | 2,326 |
| Kilojoule/kilogram kJ/kg | 2.326 |
| Calorie/gram cal/g | 0.5555555556 |
| Kilocalorie/kilogram kcal/kg | 0.5555555556 |
| Btu/pound Btu/lb | 1 |
| Btu/kilogram Btu/kg | 2.2046139556 |
Formula
Use this relationship for a direct conversion:
2 Btu/lb = 1.1111111111 kcal/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
| Btu/pound (Btu/lb) | Kilocalorie/kilogram (kcal/kg) |
|---|---|
| 0.01 | 0.0055555556 |
| 0.1 | 0.0555555556 |
| 1 | 0.5555555556 |
| 2 | 1.1111111111 |
| 5 | 2.7777777778 |
| 10 | 5.5555555556 |
| 25 | 13.8888888889 |
| 50 | 27.7777777778 |
| 100 | 55.5555555556 |
| 1,000 | 555.5555555556 |
From unit
Btu/pound (Btu/lb) is a unit of Fuel Efficiency - Mass. 1 Btu/lb = 2,326 J/kg
Symbol: Btu/lb
To unit
Kilocalorie/kilogram (kcal/kg) is a unit of Fuel Efficiency - Mass. 1 kcal/kg = 4,186.8 J/kg
Symbol: kcal/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 kcal/kg = Btu/lb x 0.555555555556. 1 btu/pound (Btu/lb) equals 0.555555555556 kilocalorie/kilogram (kcal/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.
