Party Drink Calculator
Build a rounded beer, wine, and liquor shopping estimate from your guest count, service time, and preferred drink mix.
Calculate Your Party Bar
Enter the hours drinks will be available
Adjust for guests who won't drink alcohol
Adds a 20% purchasing buffer
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TL;DR - Quick Answer
For 50 drinking guests at a 4-hour party, the Sipulus baseline is 250 servings. A Standard Crowd split rounds to 4 beer cases, 17 wine bottles, and 5 liquor bottles before a buffer.
Adjust this estimateQuick Reference: Drinks Needed by Guest Count
Assumes all guests drink, the Standard Crowd profile, and no optional buffer.
| Guests | Duration | Total Drinks | Beer (cans) | Wine (bottles) | Liquor (bottles) |
|---|---|---|---|---|---|
| 25 | 3 hours | 100 | 33 | 7 | 2 |
| 50 | 3 hours | 200 | 66 | 14 | 4 |
| 75 | 4 hours | 375 | 124 | 25 | 8 |
| 100 | 4 hours | 500 | 165 | 33 | 10 |
| 150 | 5 hours | 900 | 297 | 60 | 18 |
Sipulus Planning Baseline
For 50 drinking guests at a 4-hour party, that is a 250-serving purchasing baseline. The calculator splits it by preference and rounds each category up to full containers.
How It Works
1. Enter Guest Count
Tell us how many people are coming to your party
2. Set Duration
How long will the party last? 3 hours? 5 hours?
3. Get Your List
Instant shopping list with beer cases, wine bottles, and liquor
Why Use Our Party Calculator
Save Money
Compare the rounded estimate with your actual menu before buying full cases and bottles.
Plan for Uncertainty
Use the optional buffer when attendance or drink preferences are uncertain.
Match Your Crowd
Beer lovers? Wine crowd? Our profiles adjust the ratios to fit your guests.
Works for Any Party
Birthday, graduation, backyard BBQ, holiday party - the math is the same.
Quick Reference
Standard Crowd estimates for a 4-hour party, all guests drinking, no buffer
Frequently Asked Questions
How much alcohol do I need for a party of 50?
Using the Sipulus baseline, 50 drinking guests at a 4-hour party means 250 servings. A Standard Crowd split rounds up to 4 cases of beer, 17 wine bottles, and 5 liquor bottles before an optional buffer.
How many bottles of wine for 30 people?
For 30 drinking guests at a 4-hour party, the Standard Crowd profile allocates 50 wine servings, or 10 bottles at five servings per bottle. The Wine Lovers profile allocates 90 servings, or 18 bottles. Both are purchasing estimates before a buffer.
How many cases of beer for a house party?
At a 4-hour party, 30 drinking guests need about 3 beer cases with the Standard Crowd profile or 4 with Beer Lovers. For 50 drinking guests, those profiles produce 4 or 6 cases respectively. The calculator rounds each result to full 24-beer cases.
What is the rule of thumb for how many drinks per person at a party?
Sipulus uses a conservative purchasing baseline of 2 servings per drinking guest in the first hour and 1 per later hour. For a 4-hour party, that is 5 servings per drinking guest before any optional buffer. Treat it as an inventory estimate, not a consumption target.
How much ice do I need for a party of 50?
This alcohol calculator does not calculate ice. Ask the beverage provider to size chilling and service ice for the exact drinks, starting temperatures, container sizes, weather, refrigeration, service method and replenishment plan.
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