If you figure a 12-ounce portion—a typical can or bottle of American beer—you get around 165 beers per barrel,” he explains. If a full keg is more than is needed for your event, Lanuzza ...

However, these numbers represent the amount of beer in a full-sized keg ... is referred to as a half barrel. If you want something more manageable, a quarter-barrel keg is half the size and ...