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Party Pour Calculator

The Beer Lodge · Bar Math

Party Pour Calculator

Tell us who's coming and for how long. We'll print you a shopping list so you're not making a beer run mid-party.

Guests 40
Party Length 4 hrs
% Who Drink 80%
Pace

Standard: ~1 drink the first hour, then roughly one every 90 minutes after.

Drink Mix
Beer 45%
Wine 30%
Spirits 25%

Mix totals 100%

Party Supply Ticket
40 guests 4 hrs
Shopping List
Ice —
Cups —
Total Drinks —
Estimate only · Have water and food on hand · Drink responsibly
Shop Bar Supplies

Stock the bar cart, not just the cooler — mats, tap handles, glassware, and signage.

This tool gives a rough planning estimate, not a guarantee. Always plan for guests who don't drink, provide water, and never serve minors or intoxicated guests.

Bar Math 101

How This Number Gets Built

01

Count The Drinkers

Not every guest at a party drinks. We take your guest count and apply the percentage who actually will, so you're not buying a case of beer for the designated drivers and the kids' table.

02

Pace It Out

People tend to have a drink within the first hour, then settle into a slower rhythm. We front-load the first hour and taper the rest based on the pace you pick — easy, standard, or heavy.

03

Convert To Bottles

Once we know the total drinks, we split them across your beer/wine/spirits mix and convert to real units: 12oz servings per case, 5oz pours per bottle, 1.5oz shots per bottle.

From The Bar Cart

Pro Tips For Stocking Up

  • Round up, not down. Running out mid-party is worse than sending a few extra beers home with a guest. Buy the full case or bottle once you're close to the threshold.
  • Check the return policy. Most liquor stores will take back unopened bottles and full cases — buy a little heavy and return what you don't use.
  • Chill 24 hours ahead. A fridge full of warm bottles the morning of the party is a bad time. Beer and white wine need a full day in the fridge, or 3–4 hours in an ice bath.
  • One cooler for drinks, one for ice. Guests digging through slush for the last beer melts your ice fast. Keep a dedicated ice cooler separate from the drink cooler.
  • Non-alcoholic options aren't optional. Sparkling water, soda, and a mocktail or two keep drivers, non-drinkers, and anyone pacing themselves covered — and they usually get finished too.
  • Food slows the pace. A spread that lasts the whole party — not just appetizers up front — keeps the night steadier for everyone.

Still Wondering

Frequently Asked Questions

For a standard 4-hour party, plan on roughly 3 to 4 twelve-ounce servings per drinking guest if beer is most of the mix. Use the calculator above to dial that in against your actual guest count, party length, and drink mix.
The default 45/30/25 beer/wine/spirits split works for a general mixed-age crowd. For a younger or beer-focused crowd, push beer up. For a dinner party or older crowd, shift more toward wine.
A little padding is smart, especially for beer since it's the cheapest to over-buy and easiest to keep for next time. Spirits and wine are safer to buy closer to the estimate since they're pricier to over-stock.
Plan on about 1 pound of ice per guest for drinks alone. Double that if you're also chilling bottles in a cooler or need ice for food service.
Yes — the spirits portion assumes a standard 1.5oz pour per drink, whether it's served straight, on the rocks, or mixed into a cocktail. We add a rough mixer estimate alongside the spirits count.