Enter adults and children and see how much turkey, ham, prime rib, sides, desserts and drinks to buy, with a shopping list for text, WhatsApp and print.
The calculator uses per-person rules published by cooking sites and university extension services, each one with its source shown. A child counts as half a portion, the same ratio Omni Calculator uses for turkey. Turkey is counted by raw, bone-in weight: 1 lb per guest (the South Dakota State University Extension figure) up to 1½ lb (Alaska Extension and Sur La Table), with 1¼ lb at normal appetite. Bone-in ham takes ⅓ to ½ lb per guest and boneless prime rib ½ to ¾ lb. With several main dishes each guest eats a little of each, so the portion is split between them. Sides come from the Whole Foods and Sur La Table charts: ½ lb of potatoes to mash per guest, ½ to ¾ cup of stuffing, ⅓ to ½ cup of gravy and cranberry sauce, 1 to 2 rolls and 1 slice of pie, with one pie per 6 to 8 guests. Drinks are 1 to 2 per guest per hour, using NIAAA serving sizes of 12 fl oz of beer and 5 fl oz of wine. Everything rounds up, never down, and adds the leftovers margin you pick (10% by default).
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src="https://jkit.tools/embed/en-US/christmas-dinner-calculator"
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These references help contextualize formulas, standards, APIs and limitations used on this page. They do not replace professional validation when a result has legal, financial, medical or operational impact.
Plan 1¼ lb of raw turkey per adult (1 to 1½ lb in the sources), ½ to ¾ cup of stuffing, ½ lb of raw potatoes to mash, ⅓ to ½ cup of gravy, 1 to 2 rolls and a slice of pie, with half of each portion for a child. For 8 adults and 2 children (9 adult equivalents) that is 11.25 lb of turkey with no leftovers. The calculator shows every dish with its range and rounds up to what you can actually buy.
Added to food and drinks. 10% covers seconds; 50% is the leftovers factor in turkey guides.
Beer, wine and sparkling wine count only for them.
US-menu drinks are counted per hour of the party.
Weights are raw and bone-in, as you buy them. The cooked meat on the plate is noticeably less.
When to thaw and how long to roast: turkey calculator
Each rule comes from the sources below, checked on 2026-11-10. Where they disagree, normal appetite uses the middle value and the range shows both ends. There is no official standard for this.
Shopping list
When printing, turn off "Headers and footers" in the browser print dialog.
Type the price you see at the store. Nothing is pre-filled, and only items with a price are added up.
Up to 30 names. Saved on this device only.