how milliliters in a gallon
There are 3785.4117840007 milliliter in a gallon. 1 Gallon is equal to 3785.4117840007 Milliliter. 1 gal = 3785.4117840007 mL. A gallon is a unit of volume measurement used widely in the US and a few other countries of the world. The US gallon is usually used for measuring volume of liquid or gaseous substances like gasoline, other types of fuel, etc.