HowMuchPerPerson

How much beer for 40 people?

Buy 132 beers: 6 cases of 24.

That's 3 per guest for a 4-hour party, plus a 10% cushion.

↳ count drinks, then cases: kids don't count

Cases of 24
6
12 oz cans or bottles
Beers
132
3 per guest

Adjust for your crowd

Enter how many of your guests are kids; they aren't counted for alcohol.

Beer for other crowd sizes

tap a row for its own list ↓
GuestsBeersCases of 24
10 people332
20 people663
25 people834
30 people995
40 people · you're here1326
50 people1657
75 people24811
100 people33014
150 people49521
200 people66028

6 cases of 24 for 40 adults at a four-hour party. Not everyone drinks beer, so the rule is set per adult guest, not per beer drinker.

How many people do 2 cases of beer serve?

cases of 24

Covers about 16 people at a 4-hour party.

Everything else for 40 people

How we got this number

  1. 140 guests × 3 = 120 beers
  2. 2× 1.10 cushion = 132 beers
  3. 3÷ 24 per case = 5.5 → 6 cases of 24

beer scales with the length of the party.

Sources for this rule: NIAAA; Chinet cocktail party guide; Tasting Table, How Much Ice You Need for a Party; WebstaurantStore; BC Liquor Stores; PureWow; NIAAA; Target.

See our full method and sources →

Beer questions

How much beer for 40 people?

Buy 132 beers: 6 cases of 24. That's 3 per guest for a 4-hour party, plus a 10% cushion.

What if 8 of the 40 guests are kids?

Kids don't count for alcohol, so plan for 32 adults: buy 106 beers: 5 cases of 24.

How many people do 2 cases of beer serve?

Covers about 16 people at a 4-hour party.

Different headcount? The beer calculator works for any number of guests, and the menu planner builds one shopping list for the whole party.