Approximately 1,892.7 millilitres make up the amount of a half gallon. This is equivalent to 3,785.4 millilitres per gallon, 1.892 litres every half-gallon, and 3.785 litres per gallon.
One cup is equivalent to 236.6 millilitres, or 0.2366 litres. One millilitre equals one centimetre cubed. The millilitre is based on the metric system’s meter-cubic unit of volume, also known as the metric system. Plastic or glass graduated cylinders are used to measure millilitres.
In the United States, a gallon is equivalent to 231 cubic inches and in the United Kingdom to 277.42 cubic inches. Included among the products measured in gallons are milk, fuel, juice, and bottled water.