How Long to Smoke a Brisket? | Time Per Pound Chart & Tips

A full-packer brisket smoked at 225°F takes 12 to 18 hours total, or roughly 1 to 1.5 hours per pound.

Planning a brisket cook means committing to a full day, and the exact time depends on one thing above all others: the weight of the meat. A 12-pound brisket at 225°F runs about 14 hours from smoker to rest, while a 15-pounder pushes closer to 18. The real finish line isn’t the clock, anyway — it’s the internal temperature and that telltale probe feel. Here’s exactly how to schedule the cook and what to watch for at every stage.

Brisket Smoking Times at 225°F

The standard smoking temperature for brisket is 225°F, which delivers a consistent cook with good bark development and a moist interior. At this temp, plan for 1 to 1.5 hours per pound. The table below covers the most common weights.

Brisket Weight vs. Smoking Time

These are estimates. A brisket’s actual pace varies with smoker stability, outside temperature, how often the lid opens, and the meat’s own fat content. The probe test is the only measurement that matters at the finish.

The Three Phases of a Brisket Cook

A brisket’s time on the smoker breaks into three distinct phases, each with its own target.

Phase 1: The Initial Smoke (to 165°F). Place the seasoned brisket on the grate with the point end facing the main heat source. Smoke undisturbed until the internal temperature reaches 165°F. For a 12–13 pound brisket, this takes roughly 8 hours. The biggest mistake here is opening the smoker — every time the lid lifts, heat dumps and the meat stalls longer.

Phase 2: The Wrap (165°F to 200°F). At 165°F, the brisket hits the stall, a plateau where evaporative cooling fights the heat. Wrap the meat in uncoated butcher paper (not foil, which softens the bark) and return it to the smoker fat side up. Cranking the smoker to 250°F–275°F at this point is fine and can shave an hour off the finish.

Phase 3: The Finish (203°F and probe-tender). Continue smoking until the internal temperature lands between 202°F and 203°F. Then probe the flat in several spots — the thermometer should slide in like warm butter with zero resistance. If it meets any drag, the connective tissue hasn’t fully broken down and the brisket needs more time, even if the thermometer says 203.

The Most Critical Step: Resting

After 14 hours on the smoker, the worst thing you can do is slice it immediately. Resting redistributes moisture throughout the meat. A minimum of 1 hour works, but 2–3 hours is better, and 6–8 hours in a dry cooler wrapped in towels produces the most tender result. If holding longer than 4 hours, keep the brisket above 140°F — either in a preheated cooler or an oven set to 170°F — to stay out of the bacterial danger zone.

FAQs

Can I speed up the cook by raising the smoker temperature?

Yes. At 250°F, the rate increases to roughly 30–40 minutes per pound. The bark may form slightly faster, but the window for finishing tender is narrower. It’s a safe shortcut, not a compromise in quality.

What happens if I don’t wrap the brisket at 165°F?

The stall can stretch 4–6 hours or more, and the extended evaporation can dry out the flat. Wrapping keeps the meat moving past that plateau and locks in moisture. Butcher paper preserves the bark; foil speeds the stall but softens it.

Do I cook fat side up or down?

Fat side up on a pellet smoker, so the rendered fat bastes the meat. Fat side down on charcoal and offset smokers, where the heat source is below and the fat protects the meat from direct radiant heat.