Unit converter
US gallons to Litres
1 us gallons = 3.7854 litres. Type any value to convert it, or use the table.
Convert us gallons to litres
One US gallon is 3.785411784 litres. The UK (imperial) gallon is 4.54609 litres.
US gallons to Litres table
Worked example: 15 us gallons is 56.7812 litres.
| US gallons | Litres |
|---|---|
| 1 us gallons | 3.7854 litres |
| 2 us gallons | 7.5708 litres |
| 5 us gallons | 18.9271 litres |
| 10 us gallons | 37.8541 litres |
| 15 us gallons | 56.7812 litres |
| 20 us gallons | 75.7082 litres |
| 50 us gallons | 189.2706 litres |
| 100 us gallons | 378.5412 litres |
Converting the other way? See Litres to US gallons.
Related and frequently asked questions
Browse all conversions: unit conversion pages. For other units use the Unit Converter, and the Percentage Calculator or Calculator for the arithmetic.
How many litres are in 1 us gallon?
1 us gallons = 3.7854 litres.
How do I convert us gallons to litres by hand?
One US gallon is 3.785411784 litres. The UK (imperial) gallon is 4.54609 litres.