For a frozen whole turkey, the safest rule of thumb is: allow multiple days in the fridge, or several hours in cold water, depending on weight and method of thawing.

Basic timing rules

  • Fridge method (safest, slowest) :
    • Plan about 24 hours for every 4–5 lb (about 1.8–2.3 kg).
* Many guides also give 10–12 hours per kilogram in a 4°C fridge.

* Typical ranges:
  * 8–12 lb (3.5–5.5 kg): 2 days.

  * 12–16 lb (5.5–7.25 kg): 3 days.

  * 16–20 lb (7.25–9 kg): 4 days.

  * 20–24 lb (9–11 kg): 5 days.
  • Cold-water method (faster, still safe if done right) :
    • Keep turkey sealed in packaging, submerge completely in cold water, and change the water every 30 minutes.
* Allow about 30 minutes per pound (about 0.5 kg).

* Typical ranges:
  * 8–12 lb: 4–6 hours.

  * 12–16 lb: 6–8 hours.

  * 16–20 lb: 8–10 hours.

  * 20–24 lb: 10–12 hours.
  • Microwave (only for small birds or parts) :
    • Use your microwave’s defrost setting and follow its manual; one guide suggests starting with about 30 minutes, then short 5‑minute bursts until thawed.
* You must cook it immediately after microwave thawing for safety.

Safety do’s and don’ts

  • Always defrost in the fridge, cold water, or microwave; do not leave a turkey out at room temperature or in hot water because bacteria can grow quickly.
  • Change cold water every 30 minutes to keep the surface cold and reduce the risk of food poisoning.
  • Once thawed in the fridge, a turkey is usually fine for 3–4 days before cooking.
  • If using cold water or microwave thawing, cook the turkey as soon as it’s fully thawed.

Quick reference table (HTML)

Here is a simple HTML table you can use in your post:

html

<table>
  <thead>
    <tr>
      <th>Turkey weight</th>
      <th>Fridge thaw time</th>
      <th>Cold water thaw time</th>
    </tr>
  </thead>
  <tbody>
    <tr>
      <td>8–12 lb (3.5–5.5 kg)</td>
      <td>~2 days</td>
      <td>4–6 hours</td>
    </tr>
    <tr>
      <td>12–16 lb (5.5–7.25 kg)</td>
      <td>~3 days</td>
      <td>6–8 hours</td>
    </tr>
    <tr>
      <td>16–20 lb (7.25–9 kg)</td>
      <td>~4 days</td>
      <td>8–10 hours</td>
    </tr>
    <tr>
      <td>20–24 lb (9–11 kg)</td>
      <td>~5 days</td>
      <td>10–12 hours</td>
    </tr>
  </tbody>
</table>

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