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← All Calculators / Weddings & Receptions • 7 min read

How Much Alcohol & Drinks Do You Need for 100 Wedding Guests? Calculator & Guide

Running out of champagne before the speeches is every host's nightmare. This mathematical breakdown calculates exact drink volumes for 100 guests across 5 hours.

Interactive Budget & Drinks Estimator

Pre-calibrated for Weddings & Receptions benchmarks. Adjust below to recalculate instantly.

⚡ Real-Time Recalculation
10 guests 150 guests 300 guests
£500 £12,500 £25,000
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Bottles Wine
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Cases of Beer (24pk)
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Toast Btls
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Food Portions

Recommended Cost Breakdown

Venue: £0
Food: £0
Drinks: £0
Music: £0
Decor: £0
Buffer: £0

🗓️ Step-by-Step Execution Timeline

12 Weeks Before

Check venue corkage fees vs in-house package pricing.

8 Weeks Before

Calculate ratio: 50% wine, 30% beer, 20% spirits, plus 25% non-drinkers.

4 Weeks Before

Order glassware (minimum 1.5 glasses per guest per beverage type).

1 Week Before

Arrange ice delivery (allow 0.75kg of ice per guest) and chilling tubs.

💡 Insider Host Pro-Tips

  • For the reception welcome toast: 1 bottle of Champagne or Prosecco pours 6 glasses. For 100 guests, order 18–20 bottles.
  • For dinner: allocate half a bottle of wine per guest (50 bottles total: 28 red, 22 white/rosé).
  • Always provide a signature alcohol-free spritz; modern guests increasingly choose sophisticated low-and-no beverages.
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