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Convert US liquid gallons (gal) to liters (L) with step-by-step math and quick lookup conversion tables.
Multiply US gallons by 3.78541 to get liters.
Divide liters by 3.78541 to get US gallons.
Quick reference lookup values
| Gallons (US) (gal) | Liters (L) |
|---|---|
| 1 gal | 3.7854 L |
| 2 gal | 7.5708 L |
| 3 gal | 11.3562 L |
| 4 gal | 15.1416 L |
| 5 gal | 18.9271 L |
| 10 gal | 37.8541 L |
| 12 gal | 45.4249 L |
| 15 gal | 56.7812 L |
| 18 gal | 68.1374 L |
| 20 gal | 75.7082 L |
| 25 gal | 94.6353 L |
| 50 gal | 189.2706 L |
| 100 gal | 378.5412 L |
No. A US gallon is approximately 3.785 liters, while a UK Imperial gallon is larger at approximately 4.546 liters.
Explore related unit conversions or use our comprehensive universal unit converter.