Bottle size is a term used to describe the capacity of a bottle. Common bottle sizes include liter, pint, fifth, quart, SPLIT, and one liter. A liter is a metric unit of volume equal to 1, 000 cubic centimeters or 1.76 pints. A pint is an imperial unit of volume equal to 0.568 liters. A fifth is a unit of volume equal to one fifth of a US liquid gallon or 25.6 US fluid ounces. A quart is an imperial unit of volume equal to two pints or 0.946 liters. A SPLIT is a unit of volume equal to one half of a standard 750 ml bottle of wine or champagne. A one liter bottle is a metric unit of volume equal to 1, 000 milliliters or 33.8 US fluid ounces.