Party Food and Drink Calculator

1. Enter the number of guests you expect.
2. Set the party length in hours.
3. Choose the occasion and how many guests drink alcohol.
4. Read the drink, food, and ice quantities to buy.

Here is what each result means:

The common host's rule is one drink per guest per hour, with one extra in the first hour when people arrive thirsty. For a four hour party, that is about five drinks per guest.

Not every guest drinks alcohol, so the calculator splits the total using the share you pick. Always keep plenty of water and soft drinks, even at a party where most guests drink.

For a full meal at a buffet, plan about one pound of food per guest across mains and sides. For a cocktail party where appetizers are the meal, plan 10 to 12 pieces per guest.

When appetizers come before a sit-down dinner, four to six pieces per guest is enough, so people are not too full for the main course.

Drinks scale with both guest count and time, since a longer party means more rounds. Food scales with guest count and the type of event.

1. Multiply guests by hours plus one to get total drinks.
2. Split that total into alcoholic and soft by the share who drink.
3. Multiply guests by the per-person food amount for the occasion.

Ice is planned at about 1.5 pounds per guest, which covers chilling drinks and serving.

Take 20 guests at a four hour dinner party where about half drink alcohol.

Calculation: 20 guests times five drinks each is 100 total drinks. Half drinking alcohol gives about 50 alcoholic servings and 50 soft drinks. A full meal needs about 20 pounds of food, plus roughly 100 appetizer pieces for the first hour and about 30 pounds of ice.

These per-guest amounts are the planning rules behind the calculator.

Shopping for a Party

Turn a guest list into a shopping list so you buy enough without a fridge full of leftovers.

Setting a Budget

Knowing quantities up front lets you price drinks and food before you commit to a venue or menu.

Hosting a Big Event

For weddings and large parties, the per-guest math keeps a long order accurate.

1. Forgetting the First Hour Rush

Guests drink faster when they arrive. The extra drink per guest in the first hour prevents an early shortage.

2. Skimping on Soft Drinks

Non-drinkers, drivers, and children all need options. Plan plenty of water and soft drinks regardless of the crowd.

3. Ignoring the Weather

Hot days push up drink and ice needs. Add a margin for a summer party held outdoors.

4. Buying Exact Amounts

Estimates are averages. Buy a little over on drinks and ice, which keep, rather than running short mid-party.

These are planning averages drawn from common catering guidelines. Real appetites and thirst vary with the crowd, the season, and the menu.

Plan about one drink per guest per hour, plus one extra for the first hour. A three hour party works out to roughly four drinks per guest across all beverages.

For a full meal, plan about one pound of food per guest across mains and sides. For a cocktail party, plan 10 to 12 appetizer pieces per guest instead.

Four to six pieces per guest is enough when a full dinner follows. That takes the edge off hunger without filling people up before the main course.

Plan about 1.5 pounds of ice per guest. That covers chilling drinks in coolers and adding ice to glasses across the whole event.

A standard bottle of wine pours about five glasses, and a case of beer holds 24. Divide your alcoholic total by these to convert servings into bottles and cases.

Yes. Heat makes guests drink more, especially water and soft drinks. Add roughly one extra drink per guest for a hot outdoor event, and more ice.

Set the alcohol share to match your crowd. The calculator shifts the total toward soft drinks so non-drinkers and drivers are covered too.

No. The calculation runs in your browser and nothing you enter is stored or sent anywhere, unless you choose Save, which keeps the result only on this device.

• Standard drink (serving-size definitions).
• Catering (event planning background).