You should start thawing a turkey several days before you plan to cook it, depending on the bird’s weight and your thawing method, so you don’t end up cooking it while it’s still frozen in the middle.

When to Start Thawing (Fridge Method)

For most home kitchens, the refrigerator method is the safest and easiest.

  • Plan on about 24 hours of fridge thawing time for every 4–5 pounds of turkey.
  • Typical timelines for moving the turkey from freezer to fridge:
* 4–12 lb turkey: start 1–3 days before cooking
* 12–16 lb turkey: start 3–4 days before
* 16–20 lb turkey: start 4–5 days before
* 20–24 lb turkey: start 5–6 days before

Once fully thawed in the fridge, the turkey is usually safe for another 1–2 days before cooking, which gives you a little scheduling cushion.

Faster Option: Cold Water Thaw

If you’re late starting, use the cold water method. It’s faster but needs more attention.

  • Keep the turkey in leak‑proof packaging, fully submerged in cold tap water.
  • Change the water every 30 minutes to keep it cold and safe.
  • Allow about 30 minutes per pound:
* 4–12 lb: 2–6 hours
* 12–16 lb: 6–8 hours
* 16–20 lb: 8–10 hours
* 20–24 lb: 10–12 hours

With this method, cook the turkey immediately after it has thawed.

Mini Timeline Example

Imagine Thanksgiving dinner is Thursday afternoon, and you have a 16‑pound turkey.

  • Fridge method:
    • Move it from freezer to fridge on Sunday or Monday so it has 3–4 days to thaw, then cook Thursday.
  • Cold water method (if you forgot):
    • Start early Thursday morning , allowing 8–10 hours to thaw, then roast right after.

If you’re still partly frozen by cooking time, it is technically safe to roast from frozen, but you’ll need about 50% more cooking time and careful temperature checks.

Quick Safety Notes

  • Keep the turkey out of the “danger zone” (room temperature) during thawing; avoid leaving it on the counter.
  • Always cook to an internal temperature of 165°F in the thickest parts (breast, thigh, and stuffing if used).

TL;DR: For most people asking “when do you start thawing a turkey,” the safe bet is move it to the fridge 3–6 days before you cook , depending on size, or use cold water the morning of if you’re behind.

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