How Much Food Per Person for a Party (Portion Charts for 10, 20, 30, and 50 Guests)

Short answer: count each adult as one portion and each child as half, then multiply. Plan 1/2 lb of raw meat per guest for a BBQ, 0.4 lb of main dish for a buffet, 12 bites for a cocktail party where appetizers are the meal, and 1 lb of whole turkey for a holiday dinner. For a few leftovers, add 25% to the main dish and 10% to the sides. The Thanksgiving & party food calculator applies these rules to your guest list and shows a total shopping amount.

Overbuying wastes money, and underbuying stresses the host. The goal is a comfortable middle: enough food that no one worries, with a plan for the extras.

Step 1: Count guest portions

1. Count adults and teenagers as 1 portion each.
2. Count children under about 12 as 1/2 portion each.
3. Add them up. 24 adults plus 12 kids is 30 guest portions (24 + 6).

Round up if you expect hungry guests, such as after a sports event or an evening meal.

Step 2: Pick your event type and use the chart

These quantities are per guest portion and match the planning rules used in the party food calculator.

Backyard BBQ or cookout

Item	Per guest	10 guests	20 guests	30 guests	50 guests
Burgers, chicken, ribs, or other main (raw)	1/2 lb	5 lb	10 lb	15 lb	25 lb
Buns	1.5	15	30	45	75
Side salads (potato, pasta, slaw)	1 cup	10 cups	20 cups	30 cups	50 cups
Chips	1.5 oz	15 oz	30 oz	45 oz	75 oz
Fruit	1/2 lb	5 lb	10 lb	15 lb	25 lb
Drinks	3	30	60	90	150

Dinner party or buffet

Item	Per guest	10 guests	20 guests	30 guests	50 guests
Main dish	0.4 lb	4 lb	8 lb	12 lb	20 lb
Hot sides (total)	1.5 cups	15 cups	30 cups	45 cups	75 cups
Green salad	1 cup	10 cups	20 cups	30 cups	50 cups
Bread or rolls	1	10	20	30	50
Dessert	1	10	20	30	50
Drinks	2	20	40	60	100

Cocktail or appetizer party

Item	Per guest	10 guests	20 guests	30 guests	50 guests
Appetizer bites	12	120	240	360	600
Dips	1/4 cup	2.5 cups	5 cups	7.5 cups	12.5 cups
Crackers or chips	1.5 oz	15 oz	30 oz	45 oz	75 oz
Sweets	1.5	15	30	45	75
Drinks	3	30	60	90	150

If a full meal follows the appetizers, cut the bites to 3 to 5 per guest.

Thanksgiving or holiday dinner

Item	Per guest	10 guests	20 guests	30 guests	50 guests
Turkey (whole, bone-in)	1 lb	10 lb	20 lb	30 lb	50 lb
Potatoes	1/2 lb	5 lb	10 lb	15 lb	25 lb
Stuffing	3/4 cup	7.5 cups	15 cups	22.5 cups	37.5 cups
Vegetables	1/3 lb	4 lb	7 lb	10 lb	17 lb
Gravy	1/3 cup	3.5 cups	6.75 cups	10 cups	16.5 cups
Cranberry sauce	1/8 cup	1.25 cups	2.5 cups	3.75 cups	6.25 cups
Dinner rolls	1.5	15	30	45	75
Pies (8 slices each)	1/8 pie	2	3	4	7

For more detail on turkey sizes and thaw times, see how much turkey per person.

Step 3: Adjust for your crowd

Situation	Adjust
Want a few leftovers	Main dish +25%, sides +10%
Want plenty of leftovers	Main dish +50%, sides +25%
Hungry crowd or long event	Add 10% to 25% overall
Many side dishes and desserts	Reduce the main by 10%
Short menu with only one main	Increase the main by 10% to 25%
Mostly kids	Count children as half, but plan extra snacks
Hot weather	Add drinks and ice, keep food cool

Why portions are measured in raw weight

A typical serving of cooked meat is about 3 ounces (roughly the size of a deck of cards), and USDA MyPlate counts 1 ounce of cooked meat as 1 ounce-equivalent of protein. A common rule of thumb is that 4 ounces of raw lean meat cooks down to about 3 ounces. A planned 1/2 pound (8 oz) of raw meat per guest therefore gives about 6 ounces cooked, which is two servings by that standard. That is a generous party portion, because guests also fill up on buns, sides, and dessert. Bones, skin, and fat make bone-in cuts heavier, so bone-in meat needs a little more per guest (see the turkey guide for whole birds and breasts).

Example: 30 guests, backyard BBQ

• 24 adults + 12 children = 30 guest portions.
• Meat: 30 × 1/2 lb = 15 lb raw. That is 20 burgers at 1/3 lb plus extra chicken or sausage.
• Buns: 30 × 1.5 = 45. Sold in 8-packs, buy 6 packs (48).
• Side salads: 30 cups total. For 3 salads, make 10 cups each.
• Chips: 30 × 1.5 oz = 45 oz, for example three 15 oz bags.
• Fruit: 15 lb, like one large watermelon plus berries.
• Drinks: 90 for a 3 hour party, plus water.

Example: 20-person dinner buffet

• Main: 20 × 0.4 lb = 8 lb (for example a pan of lasagna and roasted chicken).
• Hot sides: 30 cups across three dishes, about 10 cups each.
• Salad: 20 cups, about two large bowls.
• Bread: 20 rolls. Dessert: 20 servings.
• Drinks: 40 for a 2 hour dinner.

How much will it cost?

Party cost is simple math: price per guest = total grocery cost ÷ guest portions. Multiply each quantity by the shelf price, add them up, and divide by guests. The party food calculator can do this if you enter the price per pound of your main item. Illustrative example: a $75 grocery total for 30 guest portions is $2.50 per guest.

Ways to lower the cost without cutting portions:

• Stretch the menu with starches. Rice, potatoes, beans, and pasta fill plates at a low cost per serving.
• Choose budget proteins such as chicken thighs, pork shoulder, or hot dogs for a big crowd.
• Compare unit prices with the unit price calculator, because party-size packs are not always cheaper per ounce.
• Make a list from the chart and shop once. See how to build a grocery list that saves money.
• Plan the leftovers, so extras become meals. The leftover portion calculator and cost per meal calculator help.
• Plan meals ahead, the way you would for a normal week: how to meal plan on a budget.

Party food safety

• Two-hour rule. USDA says to discard perishable foods left at room temperature for more than 2 hours, or 1 hour if it is above 90°F, such as an outdoor summer party.
• Keep hot food hot (140°F or above) with chafing dishes, slow cookers, or warming trays, and cold food cold (40°F or below) by nesting dishes in ice or using small trays you replace often.
• Cook to safe temperatures: poultry 165°F, ground meats 160°F, and whole cuts of beef, pork, lamb, and veal 145°F, measured with a food thermometer.
• Cool leftovers fast. Divide into shallow containers and refrigerate within 2 hours. Use within 3 to 4 days or freeze.

Quick cheat sheet

• 1 adult = 1 portion, 1 child = 1/2 portion
• BBQ: 1/2 lb raw meat, 1.5 buns, 1 cup side salad, 3 drinks
• Buffet: 0.4 lb main, 1.5 cups hot sides, 1 cup salad, 1 bread, 1 dessert
• Cocktail party: 12 bites (or 3 to 5 before dinner), 3 drinks
• Holiday dinner: 1 lb turkey, 1/2 lb potatoes, 3/4 cup stuffing
• Leftovers: main +25% to +50%, sides +10% to +25%

Limits of these numbers

These are planning rules of thumb, not guarantees. The number of dishes, the time of day, the length of the event, and your guests’ appetites change what people eat. Round up for important events and keep a few backup items, like extra bread or a pan of pasta, in case the crowd is hungrier than planned.

Sources

• USDA Food Safety and Inspection Service, Leftovers and Food Safety (safe temperatures, the 2-hour rule, buffet food safety)
• USDA, MyPlate: Protein Foods (ounce-equivalents)
• USDA Food and Nutrition Service, Food Buying Guide for Child Nutrition Programs (yields)
• Planning amounts are this site’s rules of thumb, built into the party food calculator.

Last reviewed October 7, 2026.