Calculator · Everydaily

Holiday Dinner Calculator

Hosting Christmas or Thanksgiving? Enter your guest count and main dish. You’ll get how many pounds to buy (or how many ribs), plus potatoes, pies, rolls and wine.

Updated November 4, 2026 · For informational use

How much food do I need?

Kids count as half a serving. “With leftovers” adds 25%.

Meat to buy (raw weight)—
Potatoes—
Pies—
Wine—
Dinner rolls—

Per adult (normal appetite): bone-in prime rib 1 lb (1 rib per 2 people), boneless prime rib ½ lb, bone-in ham ¾ lb, boneless ham ½ lb, whole turkey 1½ lb, raw brisket 1 lb. Pies: 1 slice each, 8 slices per pie. Wine: 1 glass per drinker per hour, 5 glasses per bottle.

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How much meat per person

Raw, as-purchased weight. Bones and cooking loss are already included.
Main dishPer adult (normal)With leftovers
Prime rib, bone-in1 lb (1 rib feeds 2)1¼ lb
Prime rib, boneless½ lb¾ lb
Ham, bone-in¾ lb1 lb
Ham, boneless½ lb⅔ lb
Whole turkey1½ lb2 lb
Brisket (raw)1 lb (cooks down to about ½ lb)1¼ lb

Charts by guest count: prime rib & ham per person, how many pies, how much wine. Cooking a turkey? Use the turkey size & cooking time calculator. After dinner: how long leftovers last.

Holiday Dinner Calculator FAQs

How much prime rib do I need for 10 adults?

About 10 lb of bone-in prime rib (a 5-rib roast) or 5–7½ lb boneless.

How much ham per person for Christmas dinner?

¾ lb per person for bone-in ham and ½ lb for boneless when ham is the main dish. Use less (about ⅓ lb boneless) if you’re also serving another main.

How much brisket per person?

Plan about ½ lb of cooked brisket per person, which means about 1 lb of raw brisket, because brisket loses about half its weight as it cooks.

How many pies do I need for 20 people?

Three 9-inch pies give 24 slices, enough for one slice each. If you offer several kinds, people often take a sliver of two, so plan four.

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