Gallons to milliliters volume units conversion factors are listed below. To find out how many milliliters in gallons, multiply by the conversion factor or use the converter.
1 Gallon [Fluid, US] = 3785.41178 Milliliters
1 Gallon [UK] = 4547 Milliliters
Gallon is an imperial and US customary unit. There is one type of gallon in imperial system and 2 types (liquid and dry) in US customary system. It is widely used in daily life, such as measuring the fuel efficiency as miles per gallon, etc. The abbreviation is "gal".
Milliliter is a volume unit in metric system. Spelled as millilitre in Europe. The abbreviation is "mL".