How much alcohol do I need for a 30 guest wedding shower?

For a 30-guest wedding shower, you need 11 bottles of wine, 1 cases of beer, 17 bottles of champagne, 1 bottles of spirits, about 138 total servings (4.6 drinks per person) with a 15% buffer included.

What is the drink breakdown for a wedding shower bar?

A balanced bar for a wedding shower typically includes: Wine (33%), Beer (1%), Champagne (63%), Spirits (3%). These proportions are adjusted based on event type. Wedding showers tend to favor champagne.

Wedding Shower Alcohol Calculator: 30 Guests

Your Complete Bar 30 guests · 3 hours

Wine	11bottles	45 servings

Beer	1cases	2 servings
For a proper beer selection, that is at least one case each of a light lager and an ale or IPA.
Champagne	17bottles	87 servings

Spirits	1bottles	4 servings
For a proper spirits selection, that is at least one bottle each of vodka, gin, whiskey, rum, and tequila.
Batching cocktails ahead of time keeps the bar moving: Freezer Batch Cocktails has make-ahead recipes that go straight from the freezer to the glass.

138 servings, about 4.6 drinks per person

15% buffer included on each category.

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Shopping list

What to put in the cart

11bottles Wine

1cases Beer

17bottles Champagne

1bottles Spirits

Things to have on hand

Wine Glasses, Plastic

Two per drinker covers a refill without a trip to the sink.

Wine Opener

A backup means one stuck cork does not stall the bar.

Rolling Beverage Cooler

Wheels it where the crowd is instead of the crowd finding it.

Champagne Flutes, Plastic

One per guest for the toast, no washing up after.

Cocktail Shaker Set

Everything needed to mix drinks to order, not just pour them.

Bartender Kit

Jigger, muddler, and strainer in one set covers most cocktails.

Ice Bucket

Keeps a bottle at the ready without a trip back to the cooler.

Party Cups

The default cup for beer, soda, and everything in between.

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More detail

Each drink, shown with its work

Every drink page prints the arithmetic and a printable list.

Wine 11 bottles Beer 1 cases Champagne 17 bottles Spirits 1 bottles

Planning notes

Planning notes for a wedding shower

Mimosa bars are the gold standard. The table sizes the sparkling; add orange juice and peach nectar for variety.
Skip heavy reds. Lean toward whites and rosé such as Pinot Grigio or Sauvignon Blanc, plus a light Pinot Noir.
Create one signature cocktail such as an Aperol Spritz or a French 75, and batch it ahead of time.

The table above sizes the bar for a short afternoon shower. Champagne and wine dominate the mix, so weight the order toward sparkling for mimosas with wine close behind. Buy 10-15% extra; unopened bottles can be returned or saved for the wedding. Prosecco is cost-effective for mimosas; save real Champagne for the toast.