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Turkey Size & Cooking Time Calculator

Planning Thanksgiving (Thursday, November 26, 2026) or a Christmas turkey? Enter your guest count to find the turkey size in pounds or kilograms, how long to thaw it, how long to roast it, and the day to move it to the fridge.

Updated November 4, 2026 · For informational use

Plan your turkey

Based on common serving amounts and USDA roasting and thawing guidelines.

Leave blank to use the recommended size.
Turkey size—
Roast time at 325°F / 163°C—
Thaw in fridge—
Move to fridge by—
Or cold-water thaw—
Done when—

Always check doneness with a food thermometer: 165°F (74°C) in the thickest part of the breast, the innermost thigh, and the wing, and in the center of any stuffing.

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How much turkey per person?

A whole turkey includes bones, so plan on about 1 pound per person for a meal with no leftovers, and 1½ pounds per person if you want leftovers. For a boneless turkey breast, about ½ pound per person is usually enough.

GuestsJust enoughWith leftovers
44 lb (1.8 kg)6 lb (2.7 kg)
66 lb (2.7 kg)9 lb (4.1 kg)
88 lb (3.6 kg)12 lb (5.4 kg)
1010 lb (4.5 kg)15 lb (6.8 kg)
1212 lb (5.4 kg)18 lb (8.2 kg)
1515 lb (6.8 kg)22.5 lb (10.2 kg)
2020 lb (9.1 kg)30 lb (13.6 kg)

Roasting times at 325°F / 163°C (USDA)

Turkey weightUnstuffedStuffed
8 to 12 lb (3.6–5.4 kg)2¾ to 3 hours3 to 3½ hours
12 to 14 lb (5.4–6.4 kg)3 to 3¾ hours3½ to 4 hours
14 to 18 lb (6.4–8.2 kg)3¾ to 4¼ hours4 to 4¼ hours
18 to 20 lb (8.2–9.1 kg)4¼ to 4½ hours4¼ to 4¾ hours
20 to 24 lb (9.1–10.9 kg)4½ to 5 hours4¾ to 5¼ hours

Times are guidelines for a fully thawed bird in a conventional oven. Start checking the temperature about 30 minutes before the shortest time, and let the turkey rest about 20 minutes before carving.

How long to thaw a turkey

  • Refrigerator (safest): allow about 24 hours for every 4 to 5 pounds. A 15-lb turkey needs 3 to 4 days.
  • Cold water: about 30 minutes per pound, in leak-proof packaging, changing the water every 30 minutes. Cook right after thawing.
  • Never thaw a turkey on the counter at room temperature.
Thanksgiving 2026 timeline: Thanksgiving is Thursday, November 26, 2026. A 12–16 lb frozen turkey should go into the fridge by about Sunday, November 22; a 20–24 lb bird by about Friday, November 20.

Full chart, safety tips, and a cooking-day schedule: Thanksgiving 2026 turkey guide.

Turkey Size & Cooking Time FAQs

How big of a turkey do I need for 10 people?

About 10 pounds for just the meal, or about 15 pounds if you want leftovers.

How long does it take to cook a 20-pound turkey?

At 325°F, an unstuffed 20-lb turkey takes about 4¼ to 5 hours, and a stuffed one about 4¼ to 5¼ hours. Use a thermometer to confirm 165°F.

When should I take my turkey out of the freezer for Thanksgiving?

Allow 24 hours of refrigerator thawing for every 4 to 5 pounds. For Thanksgiving on November 26, 2026, a 16-lb turkey should move to the fridge by about Sunday, November 22.

What temperature should turkey be cooked to?

165°F, measured in the thickest part of the breast, the innermost part of the thigh, and the innermost part of the wing.

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