Fuel Efficiency - Mass conversion
1 btu/pound (Btu/lb) equals 2.326 kilojoule/kilogram (kJ/kg). Enter any value below to convert from Btu/lb to kJ/kg.
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1 Btu/lb = 2.326 kJ/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 = 4.652 kJ/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) | Kilojoule/kilogram (kJ/kg) |
|---|---|
| 0.01 | 0.02326 |
| 0.1 | 0.2326 |
| 1 | 2.326 |
| 2 | 4.652 |
| 5 | 11.63 |
| 10 | 23.26 |
| 25 | 58.15 |
| 50 | 116.3 |
| 100 | 232.6 |
| 1,000 | 2,326 |
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
Kilojoule/kilogram (kJ/kg) is a metric prefix multiple of the Joule/kilogram (J/kg). 1 kJ/kg = 1,000 J/kg.
Symbol: kJ/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 kJ/kg = Btu/lb x 2.326. 1 btu/pound (Btu/lb) equals 2.326 kilojoule/kilogram (kJ/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.
