Wedding Alcohol Calculator
Figure out exactly how much wine, beer, and liquor to buy based on guest count, reception length, and crowd drinking level.
Alcohol Shopping List
Total Drinks Needed
480
120 guests × 4 hours = 480 · 1x drinking modifier
Assumes 1 drink per guest per hour, 5 drinks per 750ml wine bottle, 1 beer = 1 drink, and ~16 drinks per 750ml liquor bottle.
48
Bottles of Wine
240 wine drinks (50%)
120
Beers
120 beer drinks (25%)
8
Bottles of Liquor
120 liquor drinks (25%)
Lock in headcount before you buy.
Warning: You can't buy the right amount of alcohol if you don't know exactly who is coming. Lock in your headcount today by sending automated RSVP Magic Links through iDoTogether.
Lock In Your HeadcountFrequently Asked Questions
It provides a strong planning baseline using common wedding assumptions: 1 drink per guest per hour, a 50/25/25 split across wine, beer, and liquor, plus standard servings per bottle.
Use the drinking-level toggle. Light works well for daytime or family-heavy events, Average fits most receptions, and Heavy is better for bar-forward crowds.
Yes. Most couples add a 10-15% buffer, especially for larger weddings, hot-weather dates, or receptions where guests stay for the full event.
No. This calculator estimates alcohol only. Plan mixers, water, soda, juice, coffee, and ice separately based on your menu and venue requirements.
Finalize near your RSVP deadline, then make one last adjustment after final venue confirmations and any late guest changes.