what are the fifth
A fifth is a unit of volume formerly used for distilled beverages in the United States, equal to one fifth of a US liquid gallon, 4â5 quart, or 25 3â5 US fluid ounces (757 ml); it has been superseded by the metric bottle size of 750 ml, sometimes called a metric fifth, which is the standard capacity of wine bottles world-wide and is approximately 1 ...