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Fuel Efficiency - Mass Converter
Energy per unit mass: J/kg, BTU/lb, cal/g
Fuel Efficiency - Mass Converter
About the fuel efficiency - mass converter
This converter handles 7 fuel efficiency - mass units. Enter a value in either field and the other updates instantly — there is no button to press and nothing to submit. Use the swap control to reverse the direction of the conversion.
All factors are stored against a single base unit
(
Joule/kilogram) and applied in one step, so converting A → B
never accumulates rounding error from an intermediate hop.Quick reference table
| Joule/kilogram | BTU/pound |
|---|---|
| 1 J/kg | 0.0004299226139 BTU/lb |
| 2 J/kg | 0.0008598452279 BTU/lb |
| 5 J/kg | 0.00214961307 BTU/lb |
| 10 J/kg | 0.004299226139 BTU/lb |
| 20 J/kg | 0.008598452279 BTU/lb |
| 50 J/kg | 0.0214961307 BTU/lb |
| 100 J/kg | 0.04299226139 BTU/lb |
| 500 J/kg | 0.214961307 BTU/lb |
| 1000 J/kg | 0.4299226139 BTU/lb |
All 7 units
| Unit | Equals in Joule/kilogram |
|---|---|
| Joule/kilogram (J/kg) | 1 |
| Kilojoule/kilogram (kJ/kg) | 1000 |
| Calorie/gram (cal/g) | 4184 |
| Kilocalorie/kilogram | 4184 |
| BTU/pound (BTU/lb) | 2326 |
| BTU (IT)/pound | 2326 |
| Kilowatt-hour/kilogram | 3600000 |