☕ Coffee Calculator for a Crowd

Calculate cups, ground coffee, and milk needed for events and breakfasts.

Adults

Kids

Appetite

Leftovers

Event type

Units

Kids are counted as about 60% of an adult portion. Appetite and leftover adjustments are shown in the result.

Estimate for 10 guests - Coffee

Total needed

22 cups (1.39 gal)

Per person

2 cups per adult

Suggested purchase

7.8 oz ground coffee

Leftover plan

10% extra brewed

Shopping list

Ground coffee7.8 oz
Milk / cream2.8 cups
Sugar3.1 oz

Info: 1 cup = 240ml. Use ~10g grounds per cup.

Was this estimate helpful and accurate?

How much coffee per person?

Plan 2 cups per adult on average. 1 cup = 240 ml. Use ~10 g of ground coffee per cup.

How much coffee for 5, 10, 20, 50 or 100 people?

These are the exact quantities most home cooks and caterers use when planning coffee for a group. Portions assume a normal adult appetite with a small buffer for leftovers — bump up one level for hungry guests, sports crowds, or long events.

How much coffee for 5 people? Plan for about 11 cups (11 cups) — adjust with the calculator above for kids, appetite, or leftovers.
How much coffee for 10 people? Plan for about 22 cups (1.39 gal) — adjust with the calculator above for kids, appetite, or leftovers.
How much coffee for 20 people? Plan for about 44 cups (2.79 gal) — adjust with the calculator above for kids, appetite, or leftovers.
How much coffee for 50 people? Plan for about 111 cups (6.97 gal) — adjust with the calculator above for kids, appetite, or leftovers.
How much coffee for 100 people? Plan for about 221 cups (13.95 gal) — adjust with the calculator above for kids, appetite, or leftovers.

1 cup = 240ml. Use ~10g grounds per cup.

Coffee portions for 10, 20, 50, and 100 people

Guests	Normal serving	Hungry crowd
10 guests	22 cups (1.39 gal)	27 cups (1.67 gal)
20 guests	44 cups (2.79 gal)	53 cups (3.35 gal)
50 guests	111 cups (6.97 gal)	133 cups (8.37 gal)
100 guests	221 cups (13.95 gal)	265 cups (16.74 gal)