Gallons to liters conversion
This site provides a gallons to liters and liters to gallons conversion calculator and information about these measures of volume.
Convert imperial and US gallons to liters and vica versa using the calculator below.
Use it to convert gallons and liters for your fish tank, swimming pool, car fuel consumption, water usage and more.
A gallon is a measure of volume primarily used in the United States but also commonly used in many other English speaking countries. Most other countries use "liters" - the metric unit of measure for volume.
The US gallon is used in the United States and is equal to exactly 231 cubic inches or 3.785411784 liters.
The Imperial gallon or UK gallon is used in the United Kingdom and is equal to approximately 277.42 cubic inches. Its exact value is defined as 4.54609 liters. One imperial gallon is approximately 1.2 US gallons.
Spelling: is it liter or litre?
The different spelling of the word liter or litre originates from the spelling differences between British and American English. In British English (used in most Commonweath Countries) it is spelled litre while in American English the word is spelled liter.
A note sent in by a visitor about the definition of gallons: "He says that the imperial gallon is not defined in cubic inches and the litre definition is merely a conversion factor.
1 standard gallon is the volume of 10lb of water, hence its division 160 fl oz. Your definition as a strange number of cubic inches and litres makes the unit seem rather odd when it is in fact a good round number of normal units."
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Gallons to Liters Conversion
1 US gallon = 0.83267384 Imp gallon = 3.78541178 Liters
1 Imperial gallon = 1.20095042 US gallon = 4.54609188 Liters
1 Liter = 0.264172052 US gallon = 0.219969157 Imp gallon