Roast an unstuffed turkey at 325°F (163°C) for approximately 13 minutes per pound — so an 8-pound bird takes about 2 hours, a 14-pound bird about 3 hours, and a 20-pound bird about 4.5 hours. The USDA requires an internal temperature of 165°F (74°C) measured in the thickest part of the thigh and breast.

How Long to Roast a Turkey by Weight?

At 325°F (163°C), the standard USDA-recommended roasting temperature for turkey, expect approximately:

Turkey Weight Unstuffed Stuffed
8-12 lb 2.75 – 3 hr 3 – 3.5 hr
12-14 lb 3 – 3.75 hr 3.5 – 4 hr
14-18 lb 3.75 – 4.25 hr 4 – 4.25 hr
18-20 lb 4.25 – 4.5 hr 4.25 – 4.75 hr
20-24 lb 4.5 – 5 hr 4.75 – 5.25 hr

These are USDA estimates for a fully thawed turkey starting at refrigerator temperature in a preheated oven. Convection ovens cook roughly 25% faster — use the same internal-temperature target.

What Is the Safe Internal Temperature for Turkey?

Per the USDA Food Safety and Inspection Service, turkey must reach 165°F (74°C) measured in three places:

  1. The thickest part of the breast, away from bone.
  2. The innermost part of the thigh, not touching bone.
  3. The innermost part of the wing.

If the turkey is stuffed, the stuffing itself must also reach 165°F — this is why stuffed birds take longer. Many chefs pull the breast at 155°F and rely on the 10°F of carryover during a 30-minute rest, producing juicier meat. The USDA does not endorse this practice but it is standard in restaurant kitchens.

How Does Brining Affect Cook Time?

A wet-brined turkey cooks roughly 10-15% faster than an unbrined bird because the salt solution conducts heat more effectively than dry meat. A 14-pound brined turkey may finish in 2.5-2.75 hours instead of 3-3.75. Start checking internal temperature 30 minutes earlier than the chart suggests.

Dry brining (salt rubbed on the skin 24-72 hours ahead, no liquid) does not significantly change cook time but produces crispier skin.

Spatchcock vs Whole Turkey: Cook Time Difference?

A spatchcocked turkey — backbone removed, bird flattened — cooks dramatically faster than a whole turkey because the meat lies in a single plane and heat penetrates evenly. A 14-pound spatchcocked turkey roasts in 75-90 minutes at 425°F, compared to 3+ hours whole. The breast and thigh also finish closer to simultaneously, eliminating the chronic problem of dry breast meat alongside underdone thighs.

How Long to Deep-Fry a Turkey?

A deep-fried turkey cooks at 3-4 minutes per pound at 350°F (177°C) peanut oil. A 12-pound turkey finishes in 36-48 minutes. Critical safety note: the National Fire Protection Association reports that deep-fryer fires cause more than 1,000 home fires annually in the United States. The turkey must be fully thawed and dried; partial ice causes oil to violently boil over.

Cooking Method Comparison

Method Temperature 14-lb Turkey Time Result
Roast (oven) 325°F 3 – 3.75 hr Traditional, even browning
High-heat roast 425°F initial, then 325°F 2.5 – 3 hr Crispier skin
Spatchcock 425°F 1.5 hr Even, fast, modern favorite
Deep-fry 350°F oil 42-56 min Crispy skin, juicy meat
Smoked 225-275°F 5-7 hr Deep smoke flavor
Convection oven 300°F (-25 from std) 2.25 – 3 hr 25% faster, even crisping

How Long to Thaw a Frozen Turkey?

Per USDA: in the refrigerator, allow 24 hours per 4-5 pounds of turkey. A 16-pound turkey needs about 4 days. In cold water (change every 30 minutes), allow 30 minutes per pound — a 16-pound turkey thaws in 8 hours. Never thaw at room temperature.

Why Does Resting Matter for Turkey?

A roasted turkey must rest at least 30 minutes, ideally 45, before carving. The 10-pound-plus mass continues to cook 5-10°F during rest, and the rest period lets juices redistribute throughout the meat. Carving immediately produces dry meat and a flooded cutting board.

Frequently Asked Questions

How long to roast a 15 pound turkey?

About 3.25-3.75 hours unstuffed at 325°F, or 1.5-1.75 hours spatchcocked at 425°F.

What temperature should I roast a turkey at?

325°F (163°C) is the USDA-recommended standard. 425°F works for spatchcocked or high-heat methods.

How long does a 20 pound turkey take?

About 4.25-4.5 hours unstuffed at 325°F. Plan for 5 hours with rest time included.

Should I cover the turkey with foil?

Optional. Tenting with foil for the first hour and removing for the final hour produces crispier skin without overbrowning.

Should I stuff the turkey?

Food safety experts recommend baking stuffing separately. If stuffing inside the bird, ensure stuffing center reaches 165°F.

How do I keep turkey breast from drying out?

Brine, dry-brine, or butter-baste. Pull the breast at 155°F and let carryover finish the cook.

Can I roast turkey from frozen?

The USDA permits roasting from frozen — it takes about 50% longer than a thawed bird and you cannot stuff a frozen turkey.

How long does cooked turkey keep?

Per USDA, refrigerated cooked turkey keeps 3-4 days; frozen, 2-6 months.

For full citations and methodology, see our sources page.

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