A smoother first round
Bartender Staffing Calculator
A short beer-and-wine menu moves differently from made-to-order cocktails. This bartender staffing calculator uses a published catering ratio for each service style, then checks how many separate bars you want open. Add setup and cleanup time to see the total staff hours you can discuss with your bar team. It is a staffing estimate, not a price quote or a guaranteed wait time.
Make it yours
A few details about your event
Your estimate updates as you go. No signup needed.
Include guests ordering alcohol-free drinks.
Your staffing plan
2 bartenders
a starting point for your bar team
- Baseline guests per bartender
- 50
- Hours per bartender · including setup
- 5.5
- Total staff hours
- 11
100 guests · cocktail service · 1 stations · 4 service hours + 1 setup + 0.5 cleanup.
Ask your provider about arrival rushes, drink complexity, breaks and barbacks. Barbacks, runners and servers are not included. These are staffing estimates, not a quote or a guarantee of queue times.
How the estimate works
The baseline is one bartender per 50 guests for cocktail service or one per 75 guests for beer and wine. These ratios come from a full-service catering planning packet and are a starting point for discussion, not a universal staffing standard.
Divide the guest count by the selected ratio and round up. The count includes guests using the bar for nonalcoholic drinks, since those orders still require service. A complex mocktail menu can justify choosing cocktail service.
Use at least one bartender per open bar station. The result is the larger of the ratio estimate and the number of stations. Separate stations may also need their own supplies, refrigeration and bar support.
Total staff hours = bartenders × (service hours + setup hours + cleanup hours). The calculator assumes the same schedule for every bartender. Zero guests or zero service hours produces zero bartenders.
Guest arrival peaks, glassware washing, cocktail complexity, breaks and venue requirements can increase staffing. Barbacks, runners, servers and a dedicated champagne-pouring team are not included. Confirm those roles separately with the provider.
A practical example
For 120 guests and one cocktail bar, the ratio gives 3 bartenders. Four service hours, one setup hour and half an hour for cleanup mean 5.5 hours per bartender, or 16.5 staff hours. A beer-and-wine menu gives 2 bartenders under the same baseline, unless more separate bar stations are open.
Sources & assumptions
Use these numbers as a starting point. Your menu, guests and venue may call for a different plan.
Made for your occasion
Your plans. Our bar. A lovely evening.
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