Download the checklist
Keep the practical checks, caution notes, and next steps handy while comparing options.
Download checklist A visible chain from guest count to shopping list
Each planning assumption is editable. The calculator first estimates how many adults are likely to drink, then applies event length and drinking profile before splitting drinks and adding the chosen purchasing buffer.
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Estimate drinking guests
Start with adult guests and subtract the entered non-drinker percentage. Children and anyone known not to drink should not be hidden inside the consumption rate.
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Estimate total serves
The base model allows two drinks in the first hour and one in each later hour, adjusted by the light, average, or party profile.
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Split and round the order
Allocate the estimate across wine, beer, and spirits, apply the selected buffer, then round packages up. Venue rules and supplier return policies remain separate checks.
How this estimate works
The estimate assumes guests drink more in the first hour, less in later hours, then adjusts for the selected drinking profile and rounds bottles up. It is a shopping-list planning estimate, not a recommendation for consumption, and venue rules or local laws always take priority.
- Estimated drinking guests = adult guests x (1 - non-drinker percentage).
- Base rate = two drinks in the first hour and one drink in each later hour.
- The light, average, or party profile adjusts that base rate.
- The chosen purchasing buffer is applied before bottle and can counts are rounded up.
Before buying drinks
Confirm venue rules, supplier returns, bartender or licensing requirements, glassware, ice, water, mixers, storage, chilling, and alcohol-free options before placing a final order. Keep a record of the assumptions used so the venue or caterer can review the list.
Wedding drinks planning examples
These examples use the calculator's average profile, five-hour event, and default 10% buffer. Change the inputs for your event.
| Adult guests | Estimated total drinks | Example 50/35/15 split |
| 25 | 165 drinks | 17 wine bottles, 58 beers, 2 spirit bottles |
| 50 | 330 drinks | 33 wine bottles, 116 beers, 3 spirit bottles |
| 75 | 495 drinks | 50 wine bottles, 174 beers, 4 spirit bottles |
| 100 | 660 drinks | 66 wine bottles, 231 beers, 6 spirit bottles |
| 150 | 990 drinks | 99 wine bottles, 347 beers, 9 spirit bottles |
| 200 | 1320 drinks | 132 wine bottles, 462 beers, 12 spirit bottles |
FAQ
How many drinks per guest?
The calculator uses heavier drinking in the first hour and fewer drinks in later hours, then adjusts for the selected profile. Use it as a planning assumption, not a consumption target.
Should I add a buffer?
A buffer can help avoid running short, especially at remote venues. The right buffer depends on return rules, storage, guest uncertainty, and whether you can restock during the event.
Should children count as guests?
No. Enter adult guests who may drink alcohol. Plan children's drinks, water, and soft drinks separately.
How do I plan a beer-and-wine-only wedding?
Set spirits to 0% and split the remaining 100% between wine and beer. Plan soft drinks, water, and alcohol-free options outside that split.
Does the calculator include champagne toasts?
Not automatically as a separate fixed serving. If every adult guest gets a toast drink, add that separately or include the toast period deliberately in your service plan.
What does event length mean?
Use the time when drinks are actually served, not necessarily the full venue hire period. Cocktail hour, dinner wine, and evening bar time can be estimated separately if needed.
Can unopened bottles be returned?
That depends on the supplier and local rules. Ask about sale-or-return terms, case minimums, deadlines, and whether partially opened cases qualify.
Does this include mixers and soft drinks?
It includes a rough mixer estimate for spirits, but it is not a full soft-drink or alcohol-free beverage plan. Plan those separately.
Should I use this if the venue supplies the bar?
Use it as a sense-check or discussion aid, then follow the venue or caterer's package, licensing, staffing, and service rules.
Is this legal or responsible-service advice?
No. Follow local alcohol laws, licensing requirements, venue rules, and responsible-service guidance. The calculator only estimates quantities for planning.