Gallon (Imperial) to Liter Conversion Result

Gallon (Imperial): unit of volume in the imperial system of measurement, historically used in the United Kingdom and its former colonies. The imperial gallon is approximately 20% larger than the U.S. gallon and is equal to 4,546.09 milliliters.

Relation to Other Imperial Units:
  • 1 gallon = 4 quarts.
  • 1 gallon = 8 pints.
  • 1 gallon = 32 gills.
  • 1 gallon = 277.42 cubic inches.

Interesting Facts:
  • The term "gallon" comes from the Old Northern French word galon, meaning "a liquid measure".
  • 1 imperial gallon of water weighs approximately 10 pounds, making it a handy reference for historical trade.


Liter: a unit of volume in the metric system. It is commonly abbreviated as "L" and is equal to 1,000 cubic centimeters (cm3) or one cubic decimeter (dm3). The liter is used to measure the volume of liquids and is widely employed in everyday life, science, and industry.

Interesting facts:
  • The liter is a derived unit, meaning it is based on the fundamental unit of length, the meter. One liter is equivalent to a cube with sides that are each one-tenth of a meter (10 centimeters).
  • The average volume of the human stomach is approximately 1 to 1.5 liters when empty, but it can expand to hold more during meals.