In the United States, the most common beer bottle holds 12 ounces of beer. There are also less common beer sizes, which include 11, 22, 24 and 25.4 ounces. A single serving of beer usually refers to 12 ounces in America and has an average alcohol content of 5 percent.
An 11-ounce beer is referred to as a "stubby." A 22-ounce bottle of beer is referred to as a "bomber." The 24- and 25.4-ounce bottles do not have special names associated with them. European bottle sizes differ from American bottle sizes. A common bottle size in Europe is the imperial pint, which is 20 ounces of beer.