How Many Ounces Are in a Keg of Beer?

A keg of beer holds about 1,900 fluid ounces. Kegs are also known as half-barrels and contain 15.5 gallons. A full barrel of beer is the equivalent of 31 gallons. A keg produces 124 pints, 165 twelve-ounce servings or approximately seven cases of beer in 12-ounce cans.

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