BBQ Smoking Time Calculator
Enter weight, pick your cut and smoker temperature, and get a realistic cook window — brisket packers, pork shoulder, ribs, whole chicken, and turkey breast. Finish temps and rest times included; wrap style adjusts large cuts that hit the stall.
Weigh before trimming; bone-in cuts include bone weight.
Smoker temperature
What are you smoking?
Wrap plan
Estimated cook window
About 12–18 hours
12 lb · Brisket — packer · 225°F · No wrap
Pull / finish around 203°F — Probe-tender in the flat; bark set to your liking
Rest 60 min before slicing or pulling
Large cuts often plateau for hours while moisture evaporates — normal, not a thermometer error.
Times are planning ranges for a steady smoker — weather, rub sugar content, and opening the lid change real cooks. Verify with a thermometer and the internal temperature chart.
- Hold the smoker near 225°F; grate temp can swing ±25°F on windy days.
- Use a leave-in probe in the thickest part — time is a guide, tenderness and temp decide doneness.
- Expect a stall between roughly 150–170°F on large cuts — wrap or wait it out; either is valid.
- Rest wrapped or in a cooler (faux cambro) so collagen fully softens before slicing.
How long to smoke a brisket?
Low-and-slow barbecue is driven by collagen breakdown and bark development, not a single minutes-per-pound rule. A heavy packer on a 225°F smoker often needs most of a day; ribs and chicken use shorter fixed windows because shape matters more than scale.
Example — 12 lb packer brisket at 225°F, no wrap: About 12–18 hours, finish probe-tender near 203°F, rest about 60 minutes.
Example cook windows
- 12 lb packer brisket @ 225°FAbout 12–18 hours · 203°F
- 8 lb pork shoulder @ 225°FAbout 10–14 hours · 203°F
- Spare ribs @ 250°FAbout 4.5–6 hours · 203°F
- Whole chicken @ 275°FAbout 2.5–4 hours · 165°F
Pair with other kitchen tools
Thawing frozen roasts first? Try the meat thaw calculator. Finishing steaks on the grill? See the steak doneness calculator. Safe minimums for all proteins live on the internal temperature chart.
FAQ
- How long does it take to smoke a brisket per pound?
- At 225°F without wrapping, many cooks plan about 1 to 1½ hours per pound for a whole packer — so a 12-pound brisket often lands in a 12–18 hour window. Thicker flats run shorter; weather, trim, and how often you open the lid stretch the real cook.
- What temperature should I smoke pork shoulder?
- Hold the smoker around 225–250°F until the shoulder probes tender near 203°F in the thickest part. Collagen needs time and temperature — the calculator gives a planning window, but tenderness beats the clock.
- What is the brisket stall?
- Between roughly 150°F and 170°F internal, evaporative cooling can flatten the temperature curve for hours. You can wait it out or wrap in butcher paper or foil to push through — both are common competition and backyard techniques.
- Are these times safe for food?
- The tool pairs time estimates with finish temperatures (165°F for poultry, about 203°F probe-tender for many barbecue cuts). Always verify with a thermometer; smoking time alone is not a food-safety check.
Disclaimer: Planning reference only. Smoker models, fuel, altitude, and meat shape change real cooks. Always verify doneness with a thermometer — never serve poultry below 165°F in the thickest part.