US gallons to megajoules
Type a value in gal to get it in MJ instantly.
1,213.314MJ
That's 4.5× as much energy as a 75 kWh EV battery, while a 50 L tank of petrol is 1.32× more. In an electric car that would cover about 1,872 km (1,163 mi).
What it means
How much energy is that?
Lower heating values from the US DOE Alternative Fuels Data Center. Blends vary by a few percent; an engine turns only 20–40 % of it into motion.
The math
How to convert gal to MJ
kWh = gallons × energy per gallon: petrol 33.7, diesel 37.7, biodiesel 35.0, ethanol 22.4, propane 24.7 kWh/gal.
Example: 10 gal = 1,213.31 MJ.
Values on this page are for petrol / gasoline. Pick another fuel above.
Every unit
That fuel in every unit
Tables
gal to MJ conversion table
| gal | MJ |
|---|---|
| 0.5 gal | 60.6657 MJ |
| 1 gal | 121.331 MJ |
| 2 gal | 242.663 MJ |
| 5 gal | 606.657 MJ |
| 10 gal | 1,213.31 MJ |
| 13 gal | 1,577.31 MJ |
| 15 gal | 1,819.97 MJ |
| 20 gal | 2,426.63 MJ |
| 25 gal | 3,033.29 MJ |
| 50 gal | 6,066.57 MJ |
| 100 gal | 12,133.1 MJ |
MJ to gal conversion table
| MJ | gal |
|---|---|
| 60.7 MJ | 0.500283 gal |
| 121 MJ | 0.997268 gal |
| 243 MJ | 2.00278 gal |
| 607 MJ | 5.00283 gal |
| 1,210 MJ | 9.97268 gal |
| 1,580 MJ | 13.0222 gal |
| 1,820 MJ | 15.0002 gal |
| 2,430 MJ | 20.0278 gal |
| 3,030 MJ | 24.9729 gal |
| 6,070 MJ | 50.0283 gal |
| 12,100 MJ | 99.7268 gal |
Quick answers
Quick answers
- How many MJ is 1 gal?
- 1 gal is 121.331 MJ.
- How many MJ is 10 gal?
- 10 gal is 1,213.31 MJ.
The units
About these units
US gallons (gal)
US gallons of the chosen fuel.
Megajoules (MJ)
Energy in MJ.
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