Megajoules per liter to BTU per US gallon
Type a value in MJ/L to get it in BTU/gal instantly.
129,163.6BTU/gal
That's 1.05× as energy-dense as petrol, while diesel is 1.07× denser. A 50-liter tank of it would hold about 500 kWh.
Convert the other way: BTU/gal to MJ/L
What it means
How much fits in a liter?
Fuels use the higher heating value; batteries are usable electrical energy per liter of cell. Gases are at atmospheric pressure unless stated.
The math
How to convert MJ/L to BTU/gal
To convert megajoules per liter to BTU per US gallon, multiply by 3,587.88.
Example: 36 MJ/L × 3,587.88 = 129,164 BTU/gal.
In the other direction, 1 BTU/gal = 0.000278716 MJ/L.
Every unit
Your energy density in every unit
Tables
MJ/L to BTU/gal conversion table
| MJ/L | BTU/gal |
|---|---|
| 0.01 MJ/L | 35.8788 BTU/gal |
| 0.04 MJ/L | 143.515 BTU/gal |
| 0.1 MJ/L | 358.788 BTU/gal |
| 0.5 MJ/L | 1,793.94 BTU/gal |
| 1 MJ/L | 3,587.88 BTU/gal |
| 2 MJ/L | 7,175.76 BTU/gal |
| 5 MJ/L | 17,939.4 BTU/gal |
| 10 MJ/L | 35,878.8 BTU/gal |
| 20 MJ/L | 71,757.6 BTU/gal |
| 30 MJ/L | 107,636 BTU/gal |
| 35 MJ/L | 125,576 BTU/gal |
| 40 MJ/L | 143,515 BTU/gal |
BTU/gal to MJ/L conversion table
| BTU/gal | MJ/L |
|---|---|
| 0.01 BTU/gal | 2.787×10⁻⁶ MJ/L |
| 0.04 BTU/gal | 1.115×10⁻⁵ MJ/L |
| 0.1 BTU/gal | 2.787×10⁻⁵ MJ/L |
| 0.5 BTU/gal | 0.000139358 MJ/L |
| 1 BTU/gal | 0.000278716 MJ/L |
| 2 BTU/gal | 0.000557433 MJ/L |
| 5 BTU/gal | 0.00139358 MJ/L |
| 10 BTU/gal | 0.00278716 MJ/L |
| 20 BTU/gal | 0.00557433 MJ/L |
| 30 BTU/gal | 0.00836149 MJ/L |
| 35 BTU/gal | 0.00975507 MJ/L |
| 40 BTU/gal | 0.0111487 MJ/L |
Quick answers
Quick answers
- How many BTU/gal is 1 MJ/L?
- 1 MJ/L is 3,587.88 BTU/gal.
- How many BTU/gal is 10 MJ/L?
- 10 MJ/L is 35,878.8 BTU/gal.
- How many BTU/gal is 36 MJ/L?
- 36 MJ/L is 129,164 BTU/gal.
The units
About these units
Megajoules per liter (MJ/L)
The usual unit for fuels.
BTU per US gallon (BTU/gal)
The US figure for liquid fuels.
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