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How Much Beer for a 50 Guest New Year's Eve Party?

🍺
9
cases of beer

For a 50-guest new year's eve party lasting 5 hours

15% buffer included
169
Total servings
3.4
Per person
+1
Buffer cases

How We Calculated This

Our bartender-tested formula, step by step

1

Estimate actual drinkers

50 guests × 75% drinking rate
= 38 drinkers

At medium events, about 75% of guests typically drink alcohol.

2

Calculate base consumption

38 drinkers × 1.5 drinks/hour × 5 hours
= 285 base drinks

Industry standard is 1.5 drinks per person per hour for a 5-hour event.

3

Apply consumption decay

Adjusted for drinking slowdown over time (decay factor: 3.75)
= 214 adjusted drinks

People drink faster in the first hour and slow down as the event progresses.

4

Apply new year's eve party modifier

× 0.8 (-20% for beer)
= 169 beer servings needed

New Year's Eve Partys typically consume 20% less beer than average.

5

Convert to cases

169 servings ÷ 24 servings per case
= 7 cases (raw)

Each case of beer provides 24 servings.

6

Add 15% buffer & round up

7 × 1.15 = 8.0, rounded up
= 9 cases

Always round up and add a buffer. Running out is worse than having leftovers!

* Why trust this formula?

Based on industry standards and refined by bartenders with 30+ years of experience. We factor in consumption decay (people drink less as events progress) and real-world drinking percentages.

📊 Quick Reference: Beer by Guest Count

Guests Beer Needed Total Servings
25 guests 5 cases 85 servings
50 guests (you) 9 cases 169 servings
75 guests 14 cases 254 servings
100 guests 18 cases 338 servings
150 guests 27 cases 507 servings
200 guests 36 cases 676 servings

* All calculations include a 15% buffer. Amounts for new year's eve party.

Your Shopping List

Everything you need, plus essentials you might forget

🍺
Beer
The main event
9
cases

Don't forget these

  • Ice (Keep those beers cold!)
    108 lbs
  • Coolers (2 cases per cooler)
    5 coolers
    Buy

Pro Tips for Your New Year's Eve Party

Insider advice from experienced bartenders

💡

70% of champagne is consumed between 11:30pm and 12:15am - time your chilling.

Have champagne COLD and ready to pour at 11:55pm.

🎯

People pace themselves until 10pm then drinking accelerates.

🧊

Late-night parties need designated drivers or Uber - plan ahead.

Noisemakers and party favors should be near the champagne station.

🛒 Buying Guide

This is THE champagne event. Plan 1 bottle per 3-4 guests for the midnight toast, plus additional for cocktails (French 75s, Kir Royale). Have regular bar options for earlier in the evening. Stock more than you think - better to have leftovers than run out at midnight.

🎉

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