Catering Deck

Free tool · Staffing

How many servers your catering event needs

The usual starting point is one server for every 20 guests at a plated meal, one for every 16 when wine is poured at the table, and about one for every 32 at a buffet — then one busser for every three servers and one bartender for every 50 guests. Put in your guest count below and this page adds up the whole crew, rounds every role up to a whole person, and shows what the labor costs per guest.

The ratios are published planning figures, linked under the calculator, and every one of them is a field. Nothing leaves this page.

Your event

Sets the guests-per-server figure below to the usual one for that style.

Plated 20, poured wine 16, buffet 32. Fewer guests per server is better service and higher labor.

3 is standard, 2 for a high-service event. Set to 0 for none.

Set to 0 if there is no bar.

Carving, pasta, raw bar: one attendant each.

Usually you, or the person who runs the floor.

h
$

Wage plus payroll taxes and workers’ comp.

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people on the event.

RoleRulePeopleHours
Labor cost for the event
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Labor per guest
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Want to keep this crew list? Copy the link to this calculation — the figures travel in the address.

Where the ratios come from

Planning figures, not rules

Staffing ratios are quoted everywhere and sourced almost nowhere. These are the ones with a source you can read.

Servers

1 per 20 plated, 1 per 16 with poured wine

From Cvent’s guide to banquet service ratios, which gives one server per 20 guests as the minimum for excellent American-style sit-down service and one per 16 for Russian, Banquet French or poured-wine service. The same guide puts the average across all meal functions at one server per 32 guests, which is the buffet default here.

Bussers

1 per 3 servers

Also from Cvent: one busperson for every three servers at a sit-down meal, and some caterers schedule one for every two at high-service events.

Bar and stations

1 bartender per 50, 1 attendant per station

From Ubeya’s catering staffing guide. A station without an attendant is a self-serve line with a queue.

What changes the answer

Venue, menu, timing

A kitchen far from the room, stairs, a plated course served all at once for a toast, or a menu with many components per plate all push the ratio down. A drop-off with no service needs only the driver.

Planning figures only. Wage, overtime and break rules for event staff are set by your state; check them with your payroll provider or an employment attorney. To turn the labor cost into a price per guest, use the price per person calculator.

Questions

Catering staff, answered

How many servers do I need per guest for catering?
For a sit-down meal with American-style service, one server for every 20 guests is the commonly cited minimum for good service, or one for every 16 when wine is poured at the table or service is French or Russian style. Across all meal functions the average is about one server per 32 guests, which is closer to what a buffet needs.
How many servers for 100 guests?
About 5 servers for a plated dinner at one per 20 guests, 7 if wine is poured at the table at one per 16, and around 4 for a buffet at one per 32 — plus bussers, bartenders and anyone working a station.
How many bartenders per guest?
One bartender per 50 guests is a common planning figure. A bar with a long cocktail list or a rush at the start of the reception needs more.
How many bussers per server?
One busser for every three servers at a sit-down meal, or one for every two servers at a high-service event.
Does the calculator send my numbers anywhere?
No. It runs in your browser and keeps the figures in the page address.

Other free tools for caterers

Who made this

Your own ordering and quoting website

These tools are free and stay free. They are made by Catering Deck, which builds websites for small catering kitchens where customers pick a package, change the headcount and see the price move, and you get a built order instead of a question. It costs $200–$300 once and $10–$20 a month, with no commission on orders. We build a demo with your own menu first, so you can see it before deciding anything.