Overview
The right turkey size depends on three things: how many people you are feeding, how hungry your particular crowd tends to be, and whether you want deliberate leftovers for the days after. Getting any of the three wrong tends to mean either a stressful second trip to the store or a turkey carcass that outlasts its welcome in the fridge.
This guide walks through each factor and gives you a practical way to think about thawing time once you know your target weight.
Match size to appetite
A common baseline is about 1 to 1.5 pounds of turkey per person, but appetite level shifts that range meaningfully. Light appetites (a mixed holiday spread with lots of sides) can lean toward the lower end, while heavy appetites (turkey-focused meals, or a crowd that loves seconds) should lean toward the higher end. Choose the appetite level in the calculator that best matches your table, not the average American household — your family knows better than a national statistic does.
Decide on leftovers
A leftover buffer of 10–25% on top of your base estimate is common if you are planning on turkey sandwiches, soup, or pot pie in the days after Thanksgiving. If you would rather not deal with a large carcass and want the closest fit to what will actually be eaten that day, set the buffer to 0%.
Keep in mind that leftovers are also a function of side dishes — a table with heavy sides tends to produce more turkey leftovers than the buffer alone would suggest, simply because guests fill up on stuffing and potatoes first.
Plan thawing time
Larger birds need meaningfully more thawing time, and this is the step most people underestimate. The safest method — thawing in the refrigerator — takes roughly 24 hours for every 4–5 pounds of turkey. A 16-pound turkey needs about 3–4 days in the fridge to thaw completely, so use the calculator's recommended weight as your shopping size and count backward from Thanksgiving Day to know when to move the turkey from freezer to fridge.
If you are buying later than planned, a cold-water thaw (about 30 minutes per pound, with water changed every 30 minutes) is a faster fallback, but it requires active attention rather than just fridge space.
Frequently asked questions
Is it better to buy a slightly larger turkey than needed?
Generally yes, if you have any interest in leftovers or are unsure about appetite. A modestly larger bird costs relatively little more per pound and gives you a safety margin; running short on Thanksgiving Day is much harder to fix than having extra.
How long does cooked turkey last in the fridge?
Cooked turkey is generally good for 3–4 days refrigerated, and can be frozen for longer storage — a useful thing to plan around if your leftover buffer produced more turkey than your household will eat that week.
Do bone-in and boneless turkeys need different sizing?
Yes — boneless turkey breasts and roasts yield more usable meat per pound since there is no bone weight, so you generally need less total weight than a traditional whole bird to feed the same number of people.
Try the calculator
Use the free Thanksgiving Turkey Calculator for live numbers, then come back to this guide anytime you need a quick refresher.