Gallon (US liquid) to Barrel (Imperial) Conversion Result

Gallon (US liquid): unit of volume in the U.S. customary system widely used for measuring larger quantities of liquid. It is one of the most commonly recognized volume units in the U.S., particularly for gasoline, milk, and water. The U.S. gallon is abbreviated as "gal" and 1 gallon is equal to 3,785.411784 ml.

Relation to Other U.S. Customary Units:
  • 1 gallon = 4 quarts.
  • 1 gallon = 8 pints.
  • 1 gallon = 16 cups.
  • 1 gallon = 231 cubic inches.

Interesting facts:
  • 1 U.S. gallon of water weighs approximately 8.34 pounds (3.78 kg).
  • The U.S. gallon is smaller than the imperial gallon, which can lead to confusion in international trade or travel.
  • In the U.S., fuel efficiency is measured in miles per gallon (MPG), which is a key metric for vehicle performance.


Barrel (Imperial): unit of volume historically used in the imperial system of measurement, particularly in the UK and some Commonwealth countries. Like the U.S. barrel, its size depends on the context or the substance being measured.

1 imperial beer barrel is equal to 36 imperial gallons or 163.659 liters.

Interesting facts:
  • The imperial beer barrel's larger size compared to its U.S. counterpart makes it a preferred choice for large-scale brewing and distribution in the UK.
  • Traditional wooden barrels were expertly crafted to be both strong and watertight, a necessity for transporting liquid goods over long distances.
  • The image of a barrel is iconic in British pubs, often used to represent tradition, craft, and hospitality.