For a whole turkey roasted in a standard oven at 325°F (163°C), a good rule of thumb is about 15–20 minutes per pound , but the only reliable way to know it’s done is when the internal temperature reaches 165°F (74°C) in the thickest part of the breast and thigh.

How Long to Cook a Turkey

Quick Scoop

If you just want a fast, practical answer for a classic whole turkey in a regular oven:

  • Unstuffed turkey at 325°F (163°C)
    • Plan around 13–15 minutes per pound as a safe middle-ground.
* Example:
  * 10 lb turkey → about 2.5–3 hours.

  * 15–16 lb turkey → about 3.5–4 hours.

  * 18–20 lb turkey → about 4–4.5 hours.
  • Stuffed turkey at 325°F (163°C)
    • Plan about 15–20 minutes per pound , often closer to the higher end.
* Example: 20 lb stuffed turkey → roughly 4.5–5+ hours.
  • Finish check (most important part)
    • Use a meat thermometer.
* The turkey is done when:
  * Breast and thickest part of thigh: **165°F (74°C)** minimum.

* Let it rest **at least 20 minutes** so juices redistribute and it stays moist.

Approximate Time Table (Unstuffed, 325°F)

Below is a simple guideline for oven-roasted whole turkeys at 325°F, unstuffed. Times will vary with your oven and how cold the turkey is when it goes in.

[5] [5] [1][5] [1][5]
Turkey weight (whole, unstuffed) Approx. cook time at 325°F
10–12 lb 2 ¾ – 3 hours
14–16 lb 3 ½ – 4 hours
18–20 lb 4 – 4 ½ hours
20+ lb 4 ½ – 5+ hours
These line up with typical forum advice, for example: a 20 lb unstuffed turkey at 325°F often lands in the **4–4.5 hour** range.

“Per Pound” Cheat Sheet

If you prefer a per‑pound rule:

  • Unstuffed at 325°F
    • About 10–12 minutes per pound (some home cooks round to 13–15).
  • Stuffed at 325°F
    • About 15–20 minutes per pound.
  • High‑then‑low method (optional)
    • Example: roast at 450°F for 45 minutes , then reduce to 325°F until done.
* This can average **8–9 minutes per pound unstuffed** and **11–12 minutes per pound stuffed** , but you still must check temperature.

Example Timeline: 14 lb Unstuffed Turkey

Imagine you’ve got a 14 lb bird and want Thanksgiving dinner around 6 p.m.:

  1. Back‑planning the cook
    • 14 lb × ~13–15 minutes per lb ≈ 3–3.5 hours at 325°F.
 * Add at least **20–30 minutes rest** and a little buffer.
  1. Rough schedule
    • 1:45 p.m. – Take turkey out of fridge so it starts to lose its chill (optional but helps it cook more evenly).
 * 2:30 p.m. – Put turkey in the oven at 325°F.
 * 5:15–5:45 p.m. – Start checking internal temperature.

 * 5:45–6:00 p.m. – Rest the turkey 20–30 minutes, then carve.

If your oven runs hot or cold, or you open the door often to baste, these times shift; the thermometer is your real boss.

Alternative Methods (Faster / Different Texture)

People online discuss a few “trendier” approaches that change timing and texture, especially around recent holidays.

  • Spatchcock (butterflied) turkey
    • Backbone is removed so the turkey lies flat, helping it cook faster and more evenly.
* A **10–12 lb spatchcocked turkey** can roast in about **60–75 minutes at 425–450°F**.
  • High‑heat start, low‑heat finish
    • Begin around 425–450°F to brown the skin, then drop down to 325°F to finish.
* This method shows up in many modern recipes and videos because it can give crisp skin and still keep the meat moist.

These methods are popular in recent forum and video discussions because they can shorten total oven time and improve texture, but they still rely on 165°F as the doneness check.

Safety and Doneness Tips

To avoid dry meat on one side and undercooked spots on the other, cooks and food safety sources repeat a few core points:

  • Always use a meat thermometer
    • Check the thickest part of the breast and the inner thigh (without touching bone).
* Look for **165°F (74°C)** in all those spots.
  • Let it rest
    • Rest at least 20 minutes , and up to 30–40 for a very large bird, so juices settle and temperature equalizes.
  • Foil and browning
    • If the skin browns too quickly, tent loosely with foil.
* You can remove the foil in the last 30 minutes if you want crisp skin.

Mini Takeaway

  • Use time per pound to plan your day.
  • Use 165°F internal temperature to know when the turkey is truly done.
  • Expect roughly 3–5 hours for the usual holiday‑size birds at 325°F, depending on weight and stuffing.

Bottom note: Information gathered from public forums or data available on the internet and portrayed here.