Gallons to Liters
1 gallon is 3.78541 liters.
- To convert gallons to liters, multiply the number of gallons by 3.78541.
- Going the other way, 1 liter is 0.264172 gallons.
- For example, 12 gallons is 45.42 liters.
Conversion
Gallons (US) → Liters
45.424942
12 gallons (us) equals this many liters
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| Gallons (gal) | Liters (L) |
|---|---|
| 0.25 | 0.9464 |
| 0.5 | 1.89 |
| 1 | 3.79 |
| 2 | 7.57 |
| 2.5 | 9.46 |
| 3 | 11.36 |
| 5 | 18.93 |
| 10 | 37.85 |
| 12 | 45.42 |
| 15 | 56.78 |
| 20 | 75.71 |
| 25 | 94.64 |
| 30 | 113.56 |
| 50 | 189.27 |
| 55 | 208.2 |
| 100 | 378.54 |
About gallons and liters
A US gallon is defined as 231 cubic inches, about 3.785 liters. Fuel tanks, water heaters, and aquariums are where people most often need this conversion; a standard 55-gallon drum holds about 208 liters.
Frequently asked questions
- How many liters are in a gallon?
- There are 3.78541 liters in one gallon. To convert gallons to liters, multiply the number of gallons by 3.78541.
- How do I convert 12 gallons to liters?
- Multiply 12 by 3.78541: 12 gallons is 45.42 liters.
- How many liters are in a gallon of gas?
- A US gallon of gasoline is 3.785 liters. At a pump priced per liter, multiply by 3.785 to compare with a per-gallon price.