Food per person calculator: how much food for a party

Enter your guest count and the kind of meal to get the amount of each course. Iowa State Extension plans on 1 to 1½ lb of food per guest for a party meal.

Enter your measurements

Everyone eating, including the hosts
With more choices, each main is smaller but the total goes up a little
Salads, potatoes, beans, vegetables, pasta. About 4 oz (½ cup) of each per guest
A planning adjustment on top of the standard portion, not a published figure
More options: Kids · Extra
Counted as half an adult portion — adjust if your kids are teenagers
%
Round up for big eaters, late arrivals and leftovers
Food in total (approx.)77 lb
Cooked meat or main dish, all mains
20.6 lb
Each side dish
13.8 lb
Each side dish, by volume (½ cup servings)
6.9 qt
Rolls or buns
55 rolls
Dessert servings
55 servings
Food per adult
1.41 lb
Against Iowa State’s 1–1½ lb per guest
in range (1.41 lb)
How we got this

50 guests = 50 adults × 1.1 (appetite & extra)

Main: 6 oz each = 20.6 lb

Sides: 3 × 4 oz each = 13.8 lb per dish · Rolls: 55 rolls · Dessert: 55 servings

Total ≈ 77 lb (1.41 lb per adult before extra)

  • Perishable food should not sit out more than 2 hours (1 hour above 90 °F / 32 °C). Keep hot food at 140 °F (60 °C) or above and cold food at 40 °F (4 °C) or below (USDA FSIS).

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Chafing dish buffet setA buffet for this many needs hot food held at 140 °F or above. Chafing dishes do that on the serving table.
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Next: the meat to buy, raw, and drinks for the same crowd.

Quick answers for common sizes

Worked examples for the Food Per Person Calculator
ExampleAnswer
How much food for 50 people20.6 lb cooked main + 3 sides of 13.8 lb, 55 rolls, 55 desserts
How much food for 100 people27.5 lb of each of 2 cooked mains + 3 sides of 27.5 lb
How much food for 20 people at a BBQ5.5 lb cooked meat + 3 sides of 5.5 lb, 22 buns

Food by number of guests (menu as above)

Food by number of guests (menu as above)
GuestsFood in total (approx.)Cooked meat or main dish, all mainsEach side dishRolls or buns
2031 lb8.3 lb5.5 lb22 rolls
3046 lb12.4 lb8.3 lb33 rolls
5077 lb20.6 lb13.8 lb55 rolls
75116 lb30.9 lb20.6 lb83 rolls
100155 lb41.3 lb27.5 lb110 rolls
150232 lb61.9 lb41.3 lb165 rolls

Caterers plan food course by course, not as one heap. This calculator does the same: a cooked main dish, a set of side dishes, bread and dessert, each per guest, plus an allowance for seconds. Then it checks the total against a simple figure from Iowa State University Extension: plan for 1 to 1½ pounds of food per guest.

The amounts behind each course

Main-dish portions for two and three mains are planning choices; everything is editable through the inputs.
CoursePer adultWhere it comes from
Main dish (cooked)6 oz with one main; 4 oz each with two; 3 oz each with threeA standard cooked serving is 2–3 oz (USDA) or 3 oz (quantity tables); a main-dish plate is about two servings
Each side dish4 oz (about ½ cup)Iowa State Extension: sides 4–6 oz; quantity tables use ½ cup
Rolls or buns1 (about 1½ oz)Quantity tables: 4½ dozen rolls for 50
Dessert1 servingA slice of cake or pie, a cupcake or a bar
Total check1–1½ lbIowa State Extension
adults = guests − ½ × children
main = adults × cooked portion × appetite × (1 + extra)
each side = adults × 4 oz × appetite × (1 + extra)
total = main + sides + rolls + dessert

Worked examples

Turning the totals into a shopping list

The main dish here is cooked weight. To buy it, run the meat per person calculator, which converts cooked to raw using USDA yields — or the turkey and ham calculators for holiday meals. Each side dish has its own recipe math in the side dish calculator: pounds of raw potatoes for mashed potatoes, dry pasta for mac and cheese. Add each one to the project list for a single shopping list.

Mistakes that leave the buffet empty — or overflowing

  • Planning for everyone invited at an open house. Iowa State suggests planning for about 60% of invited guests at a drop-in graduation party; for a dinner with RSVPs, plan for everyone who said yes.
  • Forgetting that choice increases eating. Two mains means people take some of each. The calculator adds a little to the total when you choose more mains.
  • Putting it all out at once. Hot food belongs at 140 °F or above, cold at 40 °F or below. Put out smaller pans and replace them, and do not leave food out longer than 2 hours.
  • Skipping the extra. 10% is a reasonable allowance for seconds and a few unexpected guests; round up for big eaters.

What you’ll need

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Frequently asked questions

How much food per person for a party?

Iowa State University Extension plans for 1 to 1½ lb of food per guest for a party meal. In courses, that is roughly 6 oz of cooked main dish, three sides at about 4 oz each, a roll and a dessert.

How much food per person for a buffet?

About 6 oz of cooked meat or main dish with one main (4 oz each with two), 4 oz of each side, one roll and one dessert per adult, with 10% extra for seconds. Kids eat roughly half.

How many side dishes should I have?

Two or three for a dinner, three or four for a buffet or cookout. With more sides, people take smaller scoops of each, but the total goes up — so do not add sides without adding food.

How much food for 50 people?

Iowa State’s 1 to 1½ lb per guest gives 50 to 75 lb. A buffet with one main, three sides, rolls and dessert comes to about 77 lb with 10% extra: around 20½ lb of cooked main dish, about 14 lb of each side, 55 rolls and 55 desserts. Full numbers in how much food for 50 people.

Should I plan for every guest invited?

For a seated dinner with RSVPs, yes. For a drop-in open house, Iowa State Extension suggests planning for about 60% of the invitation list, since guests come and go.

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