How to use this calculator
Enter the number of guests who will be drinking (not total headcount). Set the event duration in hours, typically 4 to 6 for a wedding reception. Choose a drinking level based on your crowd.
Select your bar type. For a full bar, adjust the percentage split between beer, wine, and liquor to match your guests preferences. The results update instantly with a complete shopping list and cost range.
Frequently asked questions
How much alcohol for 100 guests?
For a 5 hour moderate reception with full bar, plan for about 13 cases of beer, 30 bottles of wine, and 12 bottles of liquor. Adjust up or down based on your crowd.
How many drinks per person per hour?
Light events average 1 drink per person per hour, moderate events 1.5, and heavy drinking events about 2. Most weddings fall in the moderate range.
What is the best beer to wine to liquor ratio?
The classic split is 40% beer, 35% wine, 25% liquor. Younger crowds may prefer more beer and cocktails. Older or more formal events lean toward wine.
Can you return unused alcohol?
Most liquor stores accept returns on unopened, undamaged bottles and full cases. Always check the return policy before purchasing so you can safely round up.
How much does a wedding bar cost?
A DIY bar typically costs $15 to $25 per guest for a full bar, $10 to $15 for beer and wine only. Venue packages often run $35 to $75 per person.