A 2 liter bottle of soda is about 6-8 drinks so between 0.5-0.75 bottles per person? Maybe less for kids? So low end, at 0.5 we're looking at 38-50 bottles for 75-100 guests. High end probably 56 - 75 bottles. So if you get 38-56 (2L bottles) for 75 guests and 50-75 (2L bottles) for 100 guests, this should cover it.
Using this rule, if you have 100 guests at your wedding, and you're planning a five-hour celebration, you're looking at 600 drinks total for the night. Keep in mind that this doesn't include champagne for toasts, which is usually added in addition to your other alcoholic beverage options.
Open Bar for 100 GUESTS: 70 bottles of wine. 175 bottles of beer. 15 bottles of liquor (750 ml) 20 bottles of champagne for toast (optional)
For a 4 hour party with 100 guests, you will need approximately 400 drinks: 160 beers, 144 glasses of wine (29 bottles) and enough liqueur for 96 individual cocktails (amounts will depend upon what type of cocktail you serve). If you aren't serving wine, plan on 240 cocktails.
(So for a six-hour wedding with 100 guests, you'll need roughly 600 drinks.) Alex Tornai, party planner for Binny's Beverage Depot, errs on the side of more drinks per person (and we're here for it): “Two drinks in the first hour and one drink per hour for the duration of the evening,” he says.
Full bar – Beer, wine and liquor: 100 (guests) x 5 (hours) = 500 drinks. 500 x 0.33 = 170 beers or 7 cases of beer or one ½ barrel sized keg. 500 x 0.33 = 150 glasses of wine, /5 glasses per bottle= 37 bottles of wine. 500 x 0.33 = 150 mixed drinks, /39 servings per 1.75 bottle = four 1.75ml bottles liquor.
The typical school of thought is to plan one drink per hour per guest. Say you want to calculate how much alcohol for a wedding of 150 for a two-hour reception. That would equal 300 drinks throughout your event. Of course, this number is just an average.
So as guide, if you have 100 guests, you will need around 50 bottles of wine (mix of red and white.) Plus around 300 pints/bottles of lager, beer and cider.
There's nothing worse than a wedding where the bar runs dry. A general rule of thumb is. you want to account for one drink per guest per reception hour, but for cocktail hour, you want to account for two drinks per guest per hour. Tend to drink more during cocktail hour. and then slow down during dinner and dancing.
Full bar – Beer, wine and liquor: 100 (guests) x 5 (hours) = 500 drinks. 500 x 0.33 = 170 beers or 7 cases of beer or one ½ barrel sized keg. 500 x 0.33 = 150 glasses of wine, /5 glasses per bottle= 37 bottles of wine. 500 x 0.33 = 150 mixed drinks, /39 servings per 1.75 bottle = four 1.75ml bottles liquor.