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How Many Drinks Per Person?

The complete guide to drink portions

Quick Answer

2 drinks per person

This is the standard serving for drink at parties and events.

Portions by Serving Context

The amount per person varies depending on how you're serving drink:

2.5

drinks

Main Dish Only

1.5

drinks

With Other Foods

1

drinks

Light Appetizer

3

drinks

Hungry Crowd

Quick Reference: Drinks by Group Size

People Drinks Est. Cost
5 people 10 $5 - $20
10 people 20 $10 - $40
15 people 30 $15 - $60
20 people 40 $20 - $80
25 people 50 $25 - $100
30 people 60 $30 - $120
40 people 80 $40 - $160
50 people 100 $50 - $200

Click any row to see the full calculator with adjustment options.

Interactive Calculator

Need exact amounts? Use our calculator to adjust for your specific situation:

40 drinks

for 20 people

Estimated cost: $20 - $80

Understanding Drink Portions

Stay hydrated! Plan for 2 drinks per person for a 2-3 hour event. When planning for a group, the key is knowing that the average adult consumes 2 servings of drink.

Factors That Affect Portion Size

  • Time of day: Lunch portions are typically 20% smaller than dinner portions.
  • Other foods: When serving multiple dishes, reduce drink by 25-30%.
  • Guest demographics: Teenagers eat more, seniors and young children eat less.
  • Event type: Casual events see more eating; formal events see less.
  • Duration: Longer events need more food as people graze over time.

The Formula

To calculate drink for any group:

Number of Guests ร— 2 = Total Servings

Pro Tips for Drinks

  • Offer both caffeinated and caffeine-free options
  • Provide water as well as sodas
  • Have 1 lb of ice per person
  • Set up a self-serve drink station
  • Include cups, napkins, and straws

Common Mistakes to Avoid

  • Don't assume everyone eats the same amountโ€”always add a 10-15% buffer
  • Don't forget about dietary restrictionsโ€”have alternatives ready
  • Don't order last minute for large groupsโ€”plan ahead for best selection
  • Don't underestimate hungry crowdsโ€”when in doubt, order more

Frequently Asked Questions About Drink

How many drinks does one person eat?

On average, one person eats 2 drinks of drink. This can vary based on appetite, whether it's a main dish or appetizer, and what other foods are being served.

How do I calculate drink for a group?

Multiply the number of guests by 2 (the average per person). For example, for 20 people: 20 ร— 2 = 40 drinks.

Should I order extra drink?

Yes, it's smart to order 10-15% extra to account for big appetites, unexpected guests, or leftovers. It's better to have a little too much than run out during your event.

Do kids eat less drink than adults?

Yes, children typically eat about 50-60% of adult portions. For kids aged 5-12, plan for 2 drinks per child instead of 2.

How many drinks per person for a party?

Plan for 2 drinks per person for every hour of your event. For a 3-hour party, that's 6 drinks per person. Include water in your count.

How much ice do I need?

Plan for about 1 pound of ice per person for chilling drinks. If you're using ice in drinks, add another half pound per person. Buy bags the day of.

Other Per-Person Guides