Free tool · instant results

Turkey Size Calculator

Get the exact turkey size for your crowd — by cut, spread style, and leftovers — plus size charts, cooking and thawing times, and the full turkey-planning cluster.

  • Aligned with USDA thawing & cooking guidance
  • Updated August 2026
  • No sign-up required

Get your number

Free · instant
Cut
Spread style

Fewer sides on the table means more turkey per plate — the calculator adjusts for it.

You'll need about
17.6lb
SmallLarge
Look for: 16–18 lb at the store
Adults10 × 1.50 lb = 15.0 lb
Children4 × 0.65 lb = 2.6 lb
Total17.6 lb (≈ 8.0 kg)
Reference 01 / 10

How much turkey do you actually need?

Enter your guest count, pick a cut, and tell us how you're feeding the table. We'll give you an exact weight and the retail size to look for.

Quick answer: plan on 1–1.25 lb of turkey per adult for a traditional spread, about 40% of that per child, and add roughly a quarter pound per adult if you want leftovers.
Reference

Turkey size by guest count

All-adult crowd, traditional spread, no leftovers buffer. Use the calculator above for kids, leftovers, and spread style.

Bar length shows the retail weight to look for as your guest count grows.

Turkey size by guest count
Guests Whole turkey (bone-in) Bone-in breast Boneless breast
4 4–6 lb 4 lb 2 lb
6 6–8 lb 6 lb 3 lb
8 8–10 lb 8 lb 4 lb
10 12–14 lb 10 lb 5 lb
12 14–16 lb 12 lb 6 lb
15 18–20 lb 15 lb 7.5 lb
20 Two 12–14 lb birds 20 lb 10 lb
25 Two 14–16 lb birds 25 lb 12.5 lb

Past 20 guests, two smaller whole birds are recommended over one very large one.

Behind the number

Why "one pound per person" isn't the whole story

Most guides give you a single flat number. The real amount you need moves with three things.

01

What else is on the table

A turkey-and-three-sides meal eats through turkey faster than a table with eight sides and appetizers before dinner even starts.

02

Who's actually eating

Teenagers eat closer to an adult portion, toddlers eat far less than the standard "child" rate, and a room of big eaters changes the math.

03

Whether you want leftovers

Sandwiches, soup, and next-day plates aren't optional in most households — plan for them on purpose instead of hoping there's extra.

Choose your cut

Turkey size by cut

The right cut depends on your crowd's preferences as much as the headcount.

Whole (bone-in)
1.25 lb
Bone-in breast
1.0 lb
Legs & thighs
1.0 lb
Boneless breast
0.5 lb

Pounds needed per adult, traditional spread, no leftovers.

Whole turkey (bone-in)

~1.25 lb / adult

The classic centerpiece. Includes both white and dark meat, plus the frame for stock. Best when your table wants the full presentation.

Bone-in breast

~1.0 lb / adult

Good for white-meat-heavy crowds or smaller gatherings that don't want to manage a whole bird. The bone helps keep the meat juicy.

Boneless breast

~0.5 lb / adult

The most efficient cut by weight — no bone waste, fast to cook, easy to carve. Underrated for tables of six or fewer.

Legs & thighs only

~1.0 lb / adult

For dark-meat households. Roasts faster than a whole bird and pairs well with a breast for mixed-preference tables.

Show your work

How Turkey Size Calculator works

No black box — here's the exact formula behind the number above.

turkey weight =
  (adults × rate)
  + (children × rate × 0.4)
  + leftover buffer (if selected)

rate depends on cut + spread style, then we round up to the nearest retail size band.

Worked example

At the store

What size should you actually buy?

Turkeys aren't sold at your exact number — they come in standard retail bands. Always round up to the next one; a few spare pounds is cheap insurance.

6–8 lb8–10 lb10–12 lb12–14 lb14–16 lb16–18 lb18–20 lb20–22 lb22+ lb
One big bird or two smaller ones?
Past roughly 20 lb, two 12–14 lb turkeys usually beat one oversized bird — they cook faster, more evenly, and you get double the legs, wings, and crispy skin. The calculator flags this automatically for whole-turkey orders.
Timing

Cooking and thawing time, at a glance

Full dedicated calculators for both are live — here's the short version at a glance.

16 lb
6 lb26 lb

Cooking time (325°F oven)

Unstuffed4 hr 0 min
Stuffed4 hr 56 min
Unstuffed
~15 minutes per pound
Stuffed
~17–20 minutes per pound; center of stuffing must reach 165°F
Safe internal temp
165°F in the thickest part of breast and thigh
Full cook-time calculator →

Thawing time

Refrigerator3 days 13 hr
Cold water8 hr 0 min
Refrigerator
~24 hours per 4–5 lb
Cold water
~30 minutes per lb; cook immediately after
Never
Room temperature — outside the USDA safe zone
Full thawing calculator →
Edge cases

Special cases

Large gatherings (25–100)

Split into multiple smaller birds rather than one enormous one — easier oven logistics, better even cooking.

See the buying guide →

Small households (2–4)

A whole bird is often overkill. A 3–4 lb boneless breast or bone-in breast covers a small table without weeks of leftovers.

Compare cuts →

Mixed or vegetarian tables

Size the turkey to just the guests actually eating it, and treat plant-based mains as their own dish rather than padding the bird count.

Back to calculator →
Questions

Turkey size FAQ

How big a turkey do I need for 10 people?

For 10 adults on a traditional spread, plan on roughly 12 to 14 pounds without leftovers, or 14 to 16 pounds if you want leftovers. Add more if some of your guests are big eaters or teenagers.

Is 1 pound of turkey per person enough?

Yes, for a light spread or a meal where turkey is not the main focus. For a traditional Thanksgiving table with several sides, 1.25 pounds per adult is more comfortable, and 1.5 pounds covers leftovers.

Should I buy one large turkey or two smaller ones?

Once your total climbs past about 20 pounds, two smaller birds usually cook more evenly and finish faster than one oversized turkey, and you get twice the legs, wings, and crispy skin.

Do kids really eat half as much as adults?

Roughly, yes. Children under 12 typically eat around 40 percent of an adult portion. Teenagers often eat as much as adults, so it's worth counting them as adults in the calculator.

How much extra should I buy for leftovers?

Add about a quarter pound per adult and roughly a tenth to a sixth of a pound per child on top of the base amount. The calculator folds this in automatically when you switch leftovers on.

Does fresh versus frozen change the size I should buy?

No, the size math is the same either way. The only difference is timing: frozen turkeys need days of fridge thawing before they go in the oven, while fresh birds just need a day or two in the fridge to rest.

About this calculator

Built and checked against USDA guidance

The rates behind this calculator were built and tested by the Turkey Size Calculator kitchen team, then checked against USDA food-safety guidance for thawing and cooking. We keep the formula visible on purpose.

Last reviewed: August 2026.

Sources referenced
  • USDA Food Safety and Inspection Service — safe thawing guidance
  • USDA Food Safety and Inspection Service — safe minimum internal temperature
  • USDA Food Safety and Inspection Service — holiday turkey safety guide