PartyCalcs.uk
Catering Staff Calculator — How Many Staff You Need
Calculate the number of waiting, bar, and kitchen staff needed for your event.
How We Calculate This
Staff numbers are calculated based on industry-standard guest-to-staff ratios for each service style.
Standard Ratios
- Sit-down: 1 waiter per 12 guests, kitchen 1 per 30
- Buffet: 1 waiter per 25 guests, kitchen 1 per 50
- Canapes: 1 waiter per 20 guests, kitchen 1 per 40
- Bar (full): 1 per 40 guests
Cost adds 2 hours to the event duration for setup and teardown, with a 4-hour minimum billable shift per staff member to reflect typical UK agency call-out terms.
Frequently Asked Questions
For sit-down dinner: 1 waiter per 10-12 guests. For buffet service: 1 staff per 25 guests (mainly for clearing and replenishing). For canape and bowl-food receptions: roughly 1 per 20 guests, though leaner passes can run to 1 per 25-30. Silver service requires more at 1 per 8 guests.
For a full bar service, plan 1 bartender per 40 guests. For a busy cocktail party, 1 per 30 guests. If serving only beer, wine and soft drinks, 1 per 50-60 guests is usually sufficient.
UK catering staff rates typically range from £12-£18 per hour for waiting and bar staff, and £14-£22 per hour for kitchen staff. Rates vary by region and experience. Most agencies have a minimum booking of 4-6 hours.
Yes. Even for a cold buffet, you need at least 1 person to manage the food area, replenish dishes, maintain hygiene, and handle dietary requirements. Hot buffets need kitchen staff for cooking, plating, and food safety compliance.
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Last updated: March 2026
All calculations are estimates. Adjust quantities based on your guests and event type.