Wedding Drink Calculator & Event Bar Planner

A common starting point for weddings and hosted events is about one alcoholic serving per drinking guest per hour. Some planning guides use a heavier first-hour assumption, while others stay closer to one per hour throughout the event. This calculator lets you choose Light, Average, or Lively instead of forcing one formula on every crowd.

Start with the number of guests who will drink, the actual bar-service length, and a realistic crowd profile, then divide the estimated servings across beer, wine, and cocktails. For example, a four-hour wedding with 100 total guests, 80% drinking alcohol, and the Average setting starts around 320 alcoholic servings before any optional stocking buffer. Use the calculator above to turn that estimate into bottles, cocktail spirit volume, mixers, sparkling wine, and ice.

For 50 total guests, the answer depends on how many actually drink, the service length, and the beverage mix. For example, 80% drinking guests over four hours at the Average setting starts around 160 alcoholic servings before any optional stocking buffer. Use the calculator above to split that total into beer, wine, and cocktails.

For 100 total guests with 80% drinking alcohol over a four-hour bar, the Average setting starts around 320 alcoholic servings before the optional 10% stocking buffer. Your actual shopping list then changes substantially depending on whether the bar is beer and wine only, cocktail-heavy, or a balanced mix.

For 150 total guests with 80% drinking alcohol over a four-hour bar, the Average setting starts around 480 alcoholic servings before the optional 10% stocking buffer. The final amount of beer, wine, spirits, and mixers depends on the bar style and drink mix you choose, so use the calculator above to build the actual stocking plan.

For 100 total guests with 80% drinking alcohol over four hours at the Average setting, the calculator starts around 320 alcoholic servings before the optional stocking buffer. Using the Beer + Wine preset, the default 45% beer / 55% wine split works out to about 144 beers and 36 bottles of wine before the buffer. Adjust the percentages above if your crowd strongly prefers beer or wine.

The amount of liquor depends on how many planned drinks are cocktails and how much base spirit each recipe uses. This calculator estimates the total base-spirit volume from your cocktail share and selected spirit pour, then converts it into equivalent 750 mL, 1 L, and 1.75 L bottle counts. For a true purchasing list, split that total across vodka, tequila, whiskey, rum, gin, liqueurs, and modifiers after your cocktail menu is finalized.

A practical starting point is to estimate the number of drinking guests, multiply by the actual bar-service length, and adjust for how light or lively the crowd is. The calculator uses Light, Average, and Lively planning profiles, then divides the result across beer, wine, and cocktails based on your selected bar style. It can be used for birthdays, private parties, cocktail parties, corporate events, and other hosted events.

This calculator uses five standard 5-ounce servings from a 750 mL bottle of wine. Real pours vary, so generous wine pours will reduce the number of servings per bottle.

The calculator uses 1.5 lb of ice per total guest as its baseline, which is intended to comfortably cover roughly 4–5 hours when ice is needed for both serving and chilling. For service longer than 5 hours, it adds a small amount per guest; Outdoor / Warm Weather adds another buffer for melt and chilling demand. Venue refrigeration and the exact cocktail menu can push the real number lower or higher.

This calculator uses a practical house-planning baseline of 10 ounces of water per total guest per hour, then increases the estimate for Outdoor / Warm Weather and applies the optional stocking buffer when selected. Water is planned for every guest, not only non-drinkers. Venue water stations, bottled water, weather, and other beverage service can change the amount you actually need.

The calculator estimates standalone non-alcoholic servings from both groups: about one non-water NA serving per non-drinking guest per hour plus a smaller allowance of 0.25 serving per drinking guest per hour. For 100 guests with 80% drinking over four hours, that starts around 160 non-water NA servings before the optional stocking buffer. If you include a signature mocktail, part of that total is allocated to mocktails so it is not simply added on top.

There is no single mocktail number that fits every wedding, so this calculator starts with the event's overall non-alcoholic beverage demand and lets you choose Light, Standard, or Popular mocktail interest. A featured mocktail receives a larger share of the non-alcoholic servings, while the remaining servings stay allocated to soft drinks or sparkling water. The result also shows an approximate finished mocktail volume using a 6-ounce serving for batching.

No. Cocktail recipes vary too much for a generic calculator to accurately split vodka, tequila, whiskey, rum, gin, liqueurs, juices, syrups, and modifiers. The spirit result is a base-spirit equivalent so you can understand the approximate volume involved. Once your cocktail menu is chosen, calculate each recipe separately for a true purchasing list.