Gallons to liters conversion factors are listed below (for US, UK and for both fluid and dry measurements). To find out how many liters in a gallon, multiply by the conversion factors or instead, use the converter if the conversion is from US fluid gallons. If scroll down, you may also create and print your own custom conversion table create your table.
1 Gallon [Fluid, US] = 3.7854118 Liters
1 Gallon [Dry, US] = 4.4048838 Liters
1 Gallon [UK] = 4.54609 Liters
Gallon is an imperial and U.S. customary measurement systems volume unit. In U.S. customary, there are two types of gallons (dry and liquid) and in imperial system, there is only one type of gallon. U.S. dry gallon (also known as Winchester or corn gallon) is mostly used to measure grains. After the metric system is accepted, it is replaced by liter (litre). Dry gallons are larger than the U.S. fluid gallons and the imperial gallons are the largest. The abbreviation is "gal".
Liter (called litre in SI , the most common spelling except U.S.) is unit of volume in metric system which equals to 1 cubic decimeter or 1000 cubic centimeters (volume of a cube with 10 centimeters for all sides, calculated as 10 * 10 * 10 = 1000 cm3, each cm3 equals to 1 milliliter). The abbreviation is "l" or "L".