US Gallons to Liters Converter
How to convert US gallons to liters
liters = US gallons × 3.78541178
To convert US gallons to liters, multiply the number of US gallons by 3.78541178.
1 US gal = 3.78541178 L
Examples
- A standard US milk jug: 1 US gal × 3.78541178 = 3.78541178 L
- 5 US gal × 3.78541178 = 18.9270589 L
Good to know
One US gallon is exactly 3.785411784 liters, so 4 liters is a little more than a gallon.
This is the US liquid gallon of 3.785411784 L. The imperial gallon used in the UK is 4.54609 L, about 20% larger.
US gallons to liters conversion table
| US gallons (US gal) | Liters (L) |
|---|---|
| 0.25 US gal | 0.946352946 L |
| 0.5 US gal | 1.89270589 L |
| 0.75 US gal | 2.83905884 L |
| 1 US gal | 3.78541178 L |
| 1.5 US gal | 5.67811768 L |
| 2 US gal | 7.57082357 L |
| 2.5 US gal | 9.46352946 L |
| 3 US gal | 11.3562354 L |
| 4 US gal | 15.1416471 L |
| 5 US gal | 18.9270589 L |
| 6 US gal | 22.7124707 L |
| 8 US gal | 30.2832943 L |
| 10 US gal | 37.8541178 L |
| 15 US gal | 56.7811768 L |
| 20 US gal | 75.7082357 L |
| 50 US gal | 189.270589 L |
| 100 US gal | 378.541178 L |
Unit definitions
- US gallon (US gal)
- The US liquid gallon is defined as exactly 231 cubic inches, which is 3.785411784 liters. It is used in the United States for fuel, milk and other liquids.
- Liter (L)
- A liter is exactly one cubic decimeter, or 0.001 cubic meters. It is the everyday metric unit for beverages, fuel and container capacity.