Megajoules per kilogram to BTU per pound
Type a value in MJ/kg to get it in BTU/lb instantly.
4,299.226BTU/lb
That's 11× as energetic as a lithium battery, while dry wood is 1.6× higher. To match a 60 kWh car battery you would need about 21.6 kg of it.
Convert the other way: BTU/lb to MJ/kg
What it means
How much energy per kilogram?
Figures are the higher heating value by mass. They ignore the weight of the tank, engine or fuel cell around them.
The math
How to convert MJ/kg to BTU/lb
To convert megajoules per kilogram to BTU per pound, multiply by 429.923.
Example: 10 MJ/kg × 429.923 = 4,299.23 BTU/lb.
In the other direction, 1 BTU/lb = 0.002326 MJ/kg.
Every unit
Your energy density in every unit
Tables
MJ/kg to BTU/lb conversion table
| MJ/kg | BTU/lb |
|---|---|
| 0.5 MJ/kg | 214.961 BTU/lb |
| 1 MJ/kg | 429.923 BTU/lb |
| 2 MJ/kg | 859.845 BTU/lb |
| 5 MJ/kg | 2,149.61 BTU/lb |
| 10 MJ/kg | 4,299.23 BTU/lb |
| 16 MJ/kg | 6,878.76 BTU/lb |
| 20 MJ/kg | 8,598.45 BTU/lb |
| 25 MJ/kg | 10,748.1 BTU/lb |
| 30 MJ/kg | 12,897.7 BTU/lb |
| 40 MJ/kg | 17,196.9 BTU/lb |
| 46 MJ/kg | 19,776.4 BTU/lb |
| 55 MJ/kg | 23,645.7 BTU/lb |
| 120 MJ/kg | 51,590.7 BTU/lb |
BTU/lb to MJ/kg conversion table
| BTU/lb | MJ/kg |
|---|---|
| 0.5 BTU/lb | 0.001163 MJ/kg |
| 1 BTU/lb | 0.002326 MJ/kg |
| 2 BTU/lb | 0.004652 MJ/kg |
| 5 BTU/lb | 0.01163 MJ/kg |
| 10 BTU/lb | 0.02326 MJ/kg |
| 16 BTU/lb | 0.037216 MJ/kg |
| 20 BTU/lb | 0.04652 MJ/kg |
| 25 BTU/lb | 0.05815 MJ/kg |
| 30 BTU/lb | 0.06978 MJ/kg |
| 40 BTU/lb | 0.09304 MJ/kg |
| 46 BTU/lb | 0.106996 MJ/kg |
| 55 BTU/lb | 0.12793 MJ/kg |
| 120 BTU/lb | 0.27912 MJ/kg |
Quick answers
Quick answers
- How many BTU/lb is 1 MJ/kg?
- 1 MJ/kg is 429.923 BTU/lb.
- How many BTU/lb is 10 MJ/kg?
- 10 MJ/kg is 4,299.23 BTU/lb.
The units
About these units
Megajoules per kilogram (MJ/kg)
The standard unit for fuels. Petrol is 46, wood 16.
BTU per pound (BTU/lb)
The US fuel unit, about 2.326 kJ/kg.
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