Cooking & Food
Brisket Cook Time Calculator
Estimate smoking time for brisket by weight and smoker temperature, with rest time included.
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lbs
hrs
0.54
Your result
Estimated cook time
15h 0m
A 12 lb brisket at 250°F takes about 15h 0m (12h 0m–18h 0m). With a 1 hr rest, plan 16h 0m before serving — but always cook to ~203°F internal, not the clock.
Total incl. rest
16h 0m
Typical range
12h 0m – 18h 0m
Rate used
1.25 hr/lb
About this calculator
Rule-of-thumb brisket timing: 1.5–2 hr/lb at 225°F, 1–1.5 hr/lb at 250°F, ~1 hr/lb at 275°F. Expect a stall around 150–170°F internal (wrap to push through), pull at 200–205°F when probe-tender, and never skip at least an hour's rest.
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