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Size the bar
The planning convention is two drinks in the first hour and one an hour after, for about eight in ten guests. Here is what that comes to in bottles, kegs and cases.
150
5
A half-barrel keg pours about 165 twelve-ounce servings; a bottle of wine gives five glasses; a litre of spirits gives sixteen pours; a bottle of champagne fills six flutes. Round up, always.
If you were buying it yourselfGuest list, hours, and the arithmetic