Using this chart as a reference, you can quickly and easily understand how much money each ½ keg you have represents for your bottom line. Basically, this chart is a shortcut to helping you make money. A standard ½ barrel keg holds roughly 1,984 ounces of beer. Keep this number in mind when you’re setting prices per serving in your establishment.Obviously, there are a number of factors that go into keeping your bar or restaurant solvent. But ensuring that your draft beer program is profitable is a great start towards keeping things afloat, and we promise that this chart/equation will help you do just that.