Turkey Size Calculator
Find the right turkey size for your guest count.
Returns recommended pounds per person with cooking time at 325°F and internal temperature target of 165°F.
Turkey size per person is a deceptively simple calculation that involves per-person serving allowances, bone weight, and whether you want enough for leftovers.
Core formula: Turkey Weight (lbs) = Number of Guests × Pounds per Person
Standard serving guidelines:
| Scenario | Pounds per Person |
|---|---|
| No leftovers desired | 1.0–1.25 lbs/person |
| Moderate leftovers | 1.25–1.5 lbs/person |
| Generous leftovers | 1.5–2.0 lbs/person |
| Crowd of big eaters | 2.0 lbs/person |
Why these amounts seem high: A raw turkey is roughly 30–40% bone, neck, giblets, and cavity by weight. Of the remaining meat, cooking shrinkage reduces the yield by another 20–25%. The actual edible meat from a 15 lb turkey is approximately 5.5–7 lbs — enough for 9–12 moderate servings.
Worked example: Thanksgiving dinner: 14 adults and 4 children (count children as 0.75 adult servings). Equivalent adults = 14 + (4 × 0.75) = 17 adult servings With generous leftovers (1.5 lbs/person): 17 × 1.5 = 25.5 lbs → Buy a 26 lb turkey or two smaller 13 lb birds (better for oven space and even cooking)
Turkey size to cooking time (unstuffed, 325°F):
| Turkey Weight | Approximate Cook Time | Internal Temp |
|---|---|---|
| 8–12 lbs | 2.75–3 hrs | 165°F breast / 175°F thigh |
| 12–14 lbs | 3–3.75 hrs | Same |
| 14–18 lbs | 3.75–4.25 hrs | Same |
| 18–20 lbs | 4.25–4.5 hrs | Same |
| 20–24 lbs | 4.5–5 hrs | Same |
Pro tip: Two smaller turkeys (12–14 lbs each) cook more evenly, faster, and fit in a standard oven side by side better than one massive bird.