Party Math: Figuring Out How Much Beverage to Serve at Your Event (2024)

Everything is ready for your event: the invitations have been sent, the menu is planned, and the space is decorated. You even made up a playlist of the perfect party music. Nothing else to worry about, right? Not so fast! Unless the only libation you’re serving is water from the tap, you still need to give some thought to your beverages.
If there’s one thing I’ve noticed over my years of entertaining, it’s that recipes have serving sizes, but many beverages don’t. And even if they do, it’s hard to predict how much your guests will drink. Well, here’s our handy, quick-and-dirty guide to keeping the liquid flowing. Get ready to do some beverage math!
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Alcohol

Let’s start with the easy stuff: your alcoholic offerings. I say these are easy because they tend to come in standard sizes and you don’t have to brew any of it yourself (unless you want to, in which case, please do!). You’ll want to estimate approximately one drink per person, per hour of the event. For this article, let’s pretend you’re hosting a three-hour dinner party for 12 people.
I really think wine is one of the easiest beverages to buy for a party. One standard 750ml bottle yields six glasses of wine, so you don’t have to think very hard to do the math (thank goodness). Over a three-hour period, for instance, 12 guests will probably consume 36 servings of wine, which translates simply to six bottles.
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Beer -- and hard cider -- can be easy or complicated, depending on how many people you’re serving. Unless you have some prolific drinkers in your midst, a smaller crowd will do just fine with individual bottles. Larger gatherings, however, might require a 7.5 gallon pony keg, which has about 80 servings, or even a full 15.5 gallon keg, which has approximately 165 servings (that would serve 26 and 55 people, respectively, over a three-hour event). For our hypothetical party of 12, we’ll buy enough cases of beer to equal 36 bottles.
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Hot Beverages

This gets a little trickier as beverages like coffee and tea need to be brewed -- and therefore require a bit more forethought (and math).
Good quality, loose leaf tea, like our blends at Plum Deluxe, is sold by the ounce, with each ounce making between 15-20 servings (based on a 8-ounce teacup). That doesn’t sound too complicated until you remember that you have to brew the tea, which means you’ll need to measure out the right amount of water to make it. So let’s break that down!
We’ve already stated that one ounce of tea makes 15-20 servings. If each serving of tea requires one teaspoon of leaves (depending on how big you make your scoops), then that means we have about 12 good teaspoons of tea on our hands. If each serving (teaspoon) requires six ounces of water to brew, that means we need 72 ounces (9 cups) of water to brew one ounce of tea.
Still with me? Great! Back to our three-hour party for 12. Assuming this is a tea party, we’ll stick with the one serving per hour rule. That translates to 36 cups of tea, which means we’ll need three ounces of loose leaf tea and 216 ounces of water (27 cups, or a little over 1.5 gallons). If you’re serving the tea as an accompaniment to a dinner party, you’re pretty safe preparing for one serving per person, total, as not everyone will even want tea. For our little party, that means we can conveniently use the same math as for one ounce of tea.
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Coffee, unlike tea, is sold by the pound and it also uses more water to brew -- generally speaking, a whole 16 ounces of water per ounce of coffee beans. If a typical serving of brewed coffee is eight ounces, that means we get two servings of coffee per ounce of beans. An entire pound, then, would yield 32 servings.
Speaking of servings, you should expect your guests to consume approximately one cup per person, per event (unless this is a brunch, in which case double it). For the guests at our event, we’ll brew a pot with 6 ounces of coffee beans and 96 ounces (12 cups) of water for a total of 12 servings.
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Other Non-Alcoholic

Okay, back to the easy stuff: your other non-alcoholic drinks like soda, lemonade, and punch. I’d estimate one drink per person, per hour of the event, plus one more each. In other words, if the party is three hours long, plan on each person having around four servings of their chosen beverage. That doesn’t mean each person will have that many drinks; some will have more and some will have less. But if you can figure out an average, you should have plenty to go around.
A 2-liter bottle of soda will give 10 8-ounce servings, while beverages that come in gallon containers will yield 16 8-ounce servings. That comes out to four drinks per person during our three-hour party, which means we’ll need five bottles of soda or three gallons of juice or a mix of both to total 48 servings.
Whew that was a lot of math. But now that it's out of the way, it's time to pour yourself a drink and go enjoy the party!

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Ciaran Keast

Ciaran Keast loves art, semicolons, books, cats -- and all the tea, ever. When they're not posting tea photos on social media, you'll catch them at almost every Plum Deluxe event.

Party Math: Figuring Out How Much Beverage to Serve at Your Event (2024)

FAQs

Party Math: Figuring Out How Much Beverage to Serve at Your Event? ›

Most guests will have two drinks in the first hour and one per hour after that. So for a two-hour event multiply the number of guests by three, and so on, to determine the number of drinks you'll need to serve.

How to calculate beverages for a party? ›

When planning an event, the average consumption per person is one drink every 45 minutes. If the event will last 2 hours, plan on 3 drinks per person.

How much beverages for 100 guests? ›

Plan on one drink per guest for each hour of your function. Let's assume you are throwing a 4 hour evening party for 100 guests. In other words, 100 guests x 4 hours = 400 drinks. Now, let's assume you will serve beer and wine.

How many beverages for a party of 50? ›

For a general estimate, you might assume 2-3 drinks per guest for a moderate drinking crowd. Adjust this number based on your knowledge of your guests. Number of Guests: In this case, it's 50. Duration of Event in hours: How long will the event last?

How many sodas for a party of 150 people? ›

I'd estimate one drink per person, per hour of the event, plus one more each. In other words, if the party is three hours long, plan on each person having around four servings of their chosen beverage.

What is a formula for beverage? ›

Beverage formulation is the process of creating a recipe for a beverage. This involves choosing the right ingredients, proportions, and processes to create a drink that meets the desired specifications. Beverage formulation is a science-based process.

How do you calculate how much you should drink? ›

Weight. Your weight is one variable that changes the amount of water you should be drinking. To help you establish a baseline, you can use the following rule-of-thumb equation described in U.S. News & World Report. In short, the equation tells you to take half your body weight, and drink that amount in ounces of water.

How many drinks do I need for 200 guests? ›

Remember The Golden Ratio – 4 Drinks : 1 Guest

Whether you serve predominantly beer, or wine, or liquor you can typically assume your average guest will consume 4 drinks. A typical crowd will have a handful of heavy drinkers and perhaps an equal handful of non-drinkers.

How many cans of soda do you need for 100 guests? ›

Served in a glass with ice, one can will make three drinks. For a wedding of 100 guests, two cases of soda should be plenty, she says.

How many cups do I need for a party of 100 guests? ›

At 100 guests, that equates to 400 cups. If you are only planning to provide bar cups for your co*cktail hour, you only need to provide enough for one hour! Whether you provide 1 or 2 cups per guest per hour is up to you.

How many drinks do I need for 60 people? ›

You should plan to serve 2 drinks per person, for each hour for first 2 hours and 1 drink per person for each hour after that. Our calculator assumes that equal distribution of drink types will be served - if Beer and Wine are selected, the calculator assigns equal number of drinks to Beer and Wine.

How much beer and wine for 50 guests calculator? ›

How much alcohol do you need for 50 guests? For a 4 hour party with 50 guests, you will need approximately 200 drinks: 80 beers, 72 glasses of wine (15 bottles) and enough for 48 individual co*cktails (amounts will depend upon what type of co*cktail you serve). If you aren't serving wine, plan on 120 co*cktails.

How many gallons of tea and lemonade for 100 guests? ›

10 gallons of iced tea. 8 gallons of lemonade. 2 soft drinks per person.

How many sodas for 200 people? ›

Bar Options
Soda (1 liter or 24 oz)50 Guests*200 Guests**
Sprite412
Ginger Ale412
Tonic Water618
Club Soda39
25 more rows

How many bottles of water for 100 guests? ›

For the table
GUEST NUMBERS50100
Still Water (L)1224
GLASSWARE
Wine glasses50100
Hi Ball glasses50100
3 more rows

How to stock a bar for a party of 50? ›

By the number of guests, here's approximately how much you should buy:
  1. 25 guests. Beer: 60 bottles. Wine and/or Champagne: 9 bottles. Hard Liquor: 3 bottles. Mixers: 12 liters.
  2. 50 guests. Beer: 120 bottles. Wine and/or Champagne: 18 bottles. Hard Liquor: 6 bottles. Mixers: 24 liters.
Dec 12, 2019

What is the formula for beverage cost? ›

Beverage cost analysis

The simplest way to get your average pour cost is to divide the amount you spend on each drink by the amount for which that drink is sold. You can do this very generally for your entire inventory, but to have a more precise idea it's better to take a categorical approach.

How many cans of soda for 100 guests? ›

Served in a glass with ice, one can will make three drinks. For a wedding of 100 guests, two cases of soda should be plenty, she says.

What is the formula for beverage inventory? ›

How is restaurant and bar inventory usage calculated? Inventory usage is calculated with a fairly straightforward formula: Opening inventory + purchases received - closing inventory = inventory usage.

How do you calculate cost per drink? ›

How To Calculate Cost per ounce for co*cktails
  1. Bottle purchase price ÷ ounces in a bottle = cost per ounce. ...
  2. $20 (bottle purchase price) / 25.4 ounces (ounces in a 750mL bottle) = 79 cents per ounce. ...
  3. Liquor cost ÷ pour cost in decimals = drink charge. ...
  4. $1.58 (liquor cost) ÷ 0.15 (pour cost) = $10.53 drink charge.

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