Convert Gallon to Liter

One gal equals 3.785411784 L. This converter allows you to easily convert between Gallon and Liter in real time.

Formula

gal × 3.785411784 = L

Example: 1 gal = 3.785411784 L

What is Gallon?

The gallon is a unit of volume in the US customary system, defined as exactly 3.785411784 liters. In the United States, gasoline is sold by the gallon, and prices at gas stations are displayed per gallon. Milk, paint, and other household liquids are also commonly sold in gallon containers. Note that the imperial gallon used in the United Kingdom is a different, larger unit equal to approximately 4.546 liters. All conversions on this page use the US gallon.

What is Liter?

The liter is a metric unit of volume equal to 1,000 cubic centimeters or one cubic decimeter. It was introduced in France in 1795 as part of the metric system. The liter is one of the most widely used volume units in everyday life, appearing on beverage containers, fuel pumps, and cooking recipes around the world. In most countries, gasoline is sold by the liter, and engine displacement in automobiles is also expressed in liters.