Volume converter: gallon (US) → liter
Facts about the Gallon (US)
The U.S. gallon (gal) is a customary unit of volume used primarily in the United States for measuring liquids such as gasoline and milk. One U.S. gallon is defined as exactly 3.78541 liters. It differs from the U.K. imperial gallon, which is larger, at approximately 4.54609 liters.
Facts about the Liter
The liter (L) is a widely used metric unit of volume. Originally defined as the volume of one kilogram of water at 4°C, it is now accepted as equal to 1,000 cubic centimeters (cm³) or 1 cubic decimeter (dm³). Liters are used globally for measuring beverages, fuel, and everyday liquids like milk and cleaning products.