Turkey Roasting Time Calculator
Get the roasting time and how many days to thaw your turkey based on its weight.
Result
How it is calculated
Roasting time is the bird's weight multiplied by a time per kilogram: minutes = kg × min/kg. The weight is in kilograms and must be above zero. The optional per_kg input is minutes per kilogram; if it is empty or not positive the tool uses 40, an assumption of roughly 175 °C. Minutes are rounded to a whole number and hours are shown with one decimal. The fridge thaw time is a rule of thumb of about one day per 2 kg: days = kg ÷ 2, shown with one decimal. These are estimates. Oven differences, stuffing, and starting temperature change the real time, so confirm doneness with a meat thermometer.
Worked example
A turkey weighs 5.5 kg and the default 40 minutes per kilogram is used. Multiply: 5.5 × 40 = 220 min. Dividing by 60 gives 3.7 hours. For thawing in the fridge, 5.5 ÷ 2 = 2.8 days, so start about three days ahead. With a slower 45 minutes per kilogram the roast time would be 248 minutes, or 4.1 hours.
Common mistakes
- Entering the weight in pounds. The tool expects kilograms, so 12 lb must first be converted to about 5.4 kg.
- Using the weight with stuffing or giblets when the figure assumes the bird alone, or the reverse.
- Reading the thaw figure as hours. It is the number of days in the fridge.
- Starting the clock before the oven is hot, or opening the door often, which stretches the real time.
- Serving by the clock alone. The time is an estimate; check the thickest part with a thermometer before carving.
About this calculator
This calculator estimates roasting time from bird weight as weight in kilograms × minutes per kilogram, with a default of 40 minutes per kilogram (an assumption of roughly 175°C / 350°F) that you can change; stuffed birds need extra time since heat has to reach the center of the stuffing too. It also estimates safe fridge-thawing time as one day for every 2 kg of frozen turkey (about 4.4 pounds a day), the slow, food-safe method recommended over thawing at room temperature.
Home cooks planning a Thanksgiving or holiday roast use this to work backward from a serving time — figuring out both when to move the turkey from freezer to fridge and when to put it in the oven — without over- or under-shooting the cook, since the tool scales time linearly with weight, while real roasting time is not perfectly linear across very small or very large birds.
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Comments (1)
If your recipe gives time per pound, convert before using the per-kilogram box: multiply by 2.2. A common chart figure of 13 minutes per pound becomes roughly 29 minutes per kilogram, well under the default of 40, so the two can differ by over an hour on a big bird. The result is cooking time only; it leaves out resting time before carving. Which per-pound or per-kilo figure does your family recipe use?