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How Much Champagne for a 20 Guest Corporate Event?

🥂
13
bottles of champagne

For a 20-guest corporate event lasting 3 hours

15% buffer included
64
Total servings
3.2
Per person
+2
Buffer bottles

How We Calculated This

Our bartender-tested formula, step by step

1

Estimate actual drinkers

20 guests × 80% drinking rate
= 16 drinkers

At small events, about 80% of guests typically drink alcohol.

2

Calculate base consumption

16 drinkers × 1.5 drinks/hour × 3 hours
= 72 base drinks

Industry standard is 1.5 drinks per person per hour for a 3-hour event.

3

Apply consumption decay

Adjusted for drinking slowdown over time (decay factor: 2.65)
= 64 adjusted drinks

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

4

Apply corporate event modifier

× 1 (0% for champagne)
= 64 champagne servings needed

Corporate Events have standard champagne consumption.

5

Convert to bottles

64 servings ÷ 6 servings per bottle
= 10.7 bottles (raw)

Each bottle of champagne provides 6 servings.

6

Add 15% buffer & round up

10.7 × 1.15 = 12.3, rounded up
= 13 bottles

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: Champagne by Guest Count

Guests Champagne Needed Total Servings
25 guests 17 bottles 80 servings
50 guests 33 bottles 160 servings
75 guests 49 bottles 240 servings
100 guests 65 bottles 320 servings
150 guests 98 bottles 480 servings
200 guests 130 bottles 640 servings

* All calculations include a 15% buffer. Amounts for corporate event.

Your Shopping List

Everything you need, plus essentials you might forget

🥂
Champagne
The main event
13
bottles

Don't forget these

  • Champagne flutes (1.5 per drinker)
    24 glasses
    Buy
  • Ice buckets (Keep bottles chilled)
    4 buckets
    Buy

Pro Tips for Your Corporate Event

Insider advice from experienced bartenders

💡

Most corporate guests self-limit to 2 drinks max - don't over-order.

Wine outsells beer 3:1 at corporate events - flip your usual ratio.

🎯

40% of corporate guests leave within 90 minutes - peak consumption is minutes 15-60.

🧊

Weekday events consume 35% less than Friday events.

Always have premium non-alcoholic options prominently displayed.

🛒 Buying Guide

Focus on quality over quantity for corporate events. Stock premium wines and craft options rather than bulk quantities. Have elegant non-alcoholic options visible - many professionals choose not to drink at work functions. A sophisticated sparkling water with citrus is always appreciated.

🎉

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