☕ Office Coffee Calculator
Plan 1.5 cups of coffee per attendee for a one-hour morning meeting, or 2 cups for meetings lasting two hours or more.
Estimate brewed coffee and supplies for meetings, training days, and company events.
Kids are counted as about 60% of an adult portion. Appetite and leftover adjustments are shown in the result.
Shopping list
- Ground coffee7.8 oz
- Milk / cream2.8 cups
- Sugar3.1 oz
Info: 1 cup = 240ml. Use ~10g grounds per cup.
Coffee by meeting length
Morning meetings usually consume more coffee than afternoon sessions. Start with 1.5 cups per attendee for one hour and two cups for longer meetings, while offering water and decaf.
The shared calculator also estimates grounds, milk or creamer, and sugar. Brew in batches so later coffee stays fresh.
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) |