Imperial Gallon Conversions
1 Imperial Gallon =
(rounded to 6 decimal places)
Display Result As
An Imperial gallon is a unit of volume sometimes used in the British commonwealth. It is exactly 4.54609 liters or about 20% larger than a U.S. gallon.
A U.S. gallon is equal to 128 U.S. fluid ounces, or about 3.785 liters. It should not be confused with the imperial gallon used in the United Kingdom.