1 Gallon to Liters
1 gal = 3.7854 L
1 gallon is equal to 3.7854 liters. This conversion uses the standard volume conversion factor between gallons and liters.
How to Convert
Multiply the gallon value by 3.78541 1 gal = 3.7854 L
Did You Know?
- US fuel economy is measured in miles per gallon, while most countries use liters per 100 km.
- A standard water cooler jug holds 5 US gallons (about 18.9 liters).
Nearby Conversions
Need a different value? Use our full gallons to liters converter →