Turkey Cooking Time & Thaw Calculator
Enter your turkey's weight and whether it is stuffed, and this calculator estimates how long it needs to roast, how many days it takes to thaw in the refrigerator, and how long a faster cold-water thaw would run. The times are planning estimates based on common rules of thumb — a whole roast turkey is done when a thermometer in the thickest part of the thigh (not touching bone) reads 165°F, so use the clock to plan and the thermometer to decide.
Your bird
Defaults at 325°F: 13 min/lb unstuffed, 15 min/lb stuffed. Adjust for your oven or recipe.
Estimated roasting time
3.25 hrs
195 min · 15 lb × 13 min/lb (unstuffed)
Fridge thaw
3.75 days
~1 day per 4 lb
Cold-water thaw
7.50 hrs
30 min/lb, change water
Food safety: cook to 165°F internal
Time is an estimate. The turkey is only safe when a thermometer in the thickest part of the thigh (not touching bone) and the center of any stuffing reads 165°F. Verify with a thermometer, not the clock.
Time detail
Cook time vs thaw time (hours)
Compare scenarios
Run the same calculation with two or three input sets side by side. Differences are highlighted; every number comes from the same tested formula as the calculator above.
| Input | Scenario A | Scenario B |
|---|---|---|
| Weight Lbs | ||
| Min Per Lb |
How it works
Roasting time is estimated as weight in pounds × minutes per pound. At a 325°F oven the common rules of thumb are about 13 minutes per pound for an unstuffed bird and about 15 minutes per pound for a stuffed one, so a 15 lb unstuffed turkey works out to roughly 195 minutes, or 3.25 hours. Stuffing a bird raises the time because the oven has to bring the dense, cold stuffing in the cavity up to a safe temperature too. You can override the minutes-per-pound value if your recipe or oven runs hotter or cooler.
Refrigerator thaw time is estimated at about one day per 4 pounds of turkey (weight ÷ 4), so a 15 lb bird needs roughly 3.75 days — round up and give it a full 4 days to be safe. This is the safest method because the turkey stays at a food-safe temperature the entire time, and a thawed bird will keep in the fridge for a day or two before you cook it. Plan backwards from your meal so the turkey is fully thawed before it goes in the oven.
Cold-water thawing is the faster fallback, estimated at about 30 minutes per pound (weight × 0.5), so the same 15 lb turkey thaws in roughly 7.5 hours. The bird must stay in a leak-proof bag submerged in cold tap water, and the water has to be changed every 30 minutes so it never warms into the unsafe zone. Because it needs constant attention, cold-water thawing is best for a bird you forgot to move to the fridge in time, not as your primary plan.
Frequently asked questions
Can I trust the time alone to tell me the turkey is done?+
No — time is only a planning estimate. Ovens, starting temperatures, bird shape, and whether the turkey is stuffed all change the real cooking time, so two 15 lb birds can finish 30–45 minutes apart. The only reliable test is a food thermometer: the turkey is safe when the thickest part of the thigh, the wing, and the center of the stuffing all reach 165°F. Start checking well before the estimated finish time, and pull the bird when it hits temperature no matter what the clock says.
What is the safest way to thaw a frozen turkey?+
The refrigerator is the safest method because the turkey never leaves a food-safe temperature. Allow about one day for every 4 pounds and keep the bird in its wrapper on a tray to catch drips. If you are short on time, the cold-water method works: submerge the wrapped turkey in cold tap water and change the water every 30 minutes, budgeting about 30 minutes per pound. Never thaw a turkey on the counter at room temperature, because the outer layer can enter the bacterial danger zone long before the center thaws.
Why do the estimates vary so much between calculators?+
Roasting is not an exact formula, so different sources publish slightly different minutes-per-pound figures depending on oven temperature, whether the bird is stuffed, and whether it starts fully thawed. This tool uses widely cited 325°F rules of thumb (about 13 min/lb unstuffed, 15 min/lb stuffed) and lets you adjust them, but treat every result as a starting range rather than a precise promise. When in doubt, cook to the 165°F internal temperature and give yourself a buffer of extra time before serving.