UnitConFuel Efficiency (Mass)
Fuel efficiency by mass, also called specific energy, measures how much energy a fuel contains for each unit of mass. The SI unit is joules per kilogram, though MJ/kg and BTU/lb are more practical in many fields. This converter is useful in combustion engineering, aerospace, and fuel comparison studies. It helps separate energy content from fuel economy and tank size.
Common conversions
| From | To |
|---|---|
| 1 Megajoule per Kilogram | 429.9226 BTU per Pound |
| 1 BTU per Pound | 2.326 Kilojoule per Kilogram |
| 42 Megajoule per Kilogram | 18,056.75 BTU per Pound |
| 44 Megajoule per Kilogram | 18,916.6 BTU per Pound |
| 1 Kilocalorie per Kilogram | 4.184 Kilojoule per Kilogram |
| 10000 BTU per Pound | 23.26 Megajoule per Kilogram |