Bartender Calculator
How many bartenders do you need? Get an instant staffing estimate for your wedding, party or event.
Staff
How many bartenders per guest?
The number depends on what you serve and on how big the event is. Pouring wine is fast; shaking a Margarita is not. And on large events each bartender covers more guests, because bars multiply and queues spread out. These figures come from real event staffing, and they are what this calculator uses:
| Bar service | 100 guests | 300 guests | 1000 guests |
|---|---|---|---|
| Beer / Wine / Soft drinks | 2 | 4 | 10 |
| Mixed bar (spirits + mixers) | 2 | 5 | 10 |
| Cocktail bar | 3 | 8 | 16 |
| Cocktail heavy | 4 | 9 | 20 |
Then add support staff as the event grows: a barback from about 80 guests, runners and glass collectors on medium and large events, and extra dinner runners during a seated dinner service: roughly one runner per 25 guests on a mid-size dinner, relaxing to about one per 60 at large events. Staffing is a range, which is why the calculator shows minimum, recommended and comfortable levels.
Frequently asked questions
How many bartenders do I need for 50 guests?
One bartender can handle about 50 guests on a simple beer and wine service, but a cocktail menu for 50 guests needs 2 bartenders. Add a barback if the bar is busy or far from storage.
How many bartenders do I need for 100 guests?
Typically 2 for a beer & wine or mixed bar, 3 for a cocktail bar and 4 for a cocktail-heavy menu, plus at least one barback.
What does a barback do?
A barback keeps the bar alive: restocking ice, bottles and glassware so bartenders never stop serving. From roughly 80 guests upward a barback is usually the difference between a smooth bar and a queue.
When do I need runners or glass collectors?
On medium and large events (150+ guests) add runners to move product and glass collectors to keep glassware turning. For seated dinners plan roughly one runner per 25 guests on a mid-size event, relaxing to about one per 60 at large events.
Now calculate what your bar needs.
Staff is step one. Then come ice, bottles per product, cocktail ingredients and a shopping list you can export to Excel.
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