Planning
How to estimate guest drink consumption for an event
Phạm Thu Hà · 13/03/2025 · 5 min read
TL;DR
A formula for cocktails per guest based on event length.
The basic formula
Cocktail hour: 1.5 cocktails per guest per hour. After dinner: 1 cocktail per guest per hour.
| Time slot | Consumption |
|---|---|
| Cocktail hour | 1.5 cocktails/guest/hour |
| After dinner | 1 cocktail/guest/hour |
Adjusting by demographic
Younger guests under 35: +20%. Middle-aged guests: standard. Guests over 60: -20%, add mocktails.
| Guest group | Adjustment | Notes |
|---|---|---|
| Under 35 | +20% | — |
| Middle-aged | Standard | — |
| Over 60 | −20% | Add mocktails |
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