The label weight is not the eating weight
A whole packer brisket comes out of the cryovac at twelve to eighteen pounds. Between the trimming knife and the slicing board it loses the hard fat off the deckle, most of the fat cap, the rendered intramuscular fat, and a great deal of water. What is left to slice is commonly around half of what the scale said in the shop. Pork butt does better because there is less to trim and the bone is a smaller fraction. Ribs sit in between, and a whole slab loses a startling share of its weight if you take the membrane and the skirt off first.
None of those percentages are constants. They move with how hard you trim, how hot and how long you cook, whether the meat is wrapped, and how much bark you are prepared to lose. That is why the yield column on this page is a field rather than a lookup table. Weigh one cook properly and you own a number that applies to your pit; borrow a number from a forum and you own an argument.
Portion size is a decision, not a fact
| The situation | What moves the portion | Practical effect |
|---|---|---|
| Meat plus three heavy sides and bread | Sides carry the plate | People eat less meat than they think they will |
| Sandwiches | The bun does structural work | A given weight of pulled pork goes further |
| Meat-forward plate, thin sides | Nothing else to fill up on | The meat is the whole meal and disappears |
| Standing, no seats, long afternoon | Grazing rather than a meal | Total intake is high but spread over hours |
| Leftovers wanted | Deliberate overshoot | Set the buffer field, do not fudge the portion |
Keeping the buffer separate from the portion size matters when you cook the same menu again. If you quietly inflate the portion to cover seconds, next year you have no idea what people actually ate. Set the portion to what goes on a plate and put the generosity in the buffer, where you can see it.
Cost per cooked pound is the honest number
Meat is priced by raw weight and eaten by cooked weight, so the price per pound on the shelf understates what a plate costs by exactly the reciprocal of the yield. At fifty percent yield, meat at four dollars a raw pound is eight dollars a cooked pound before you have bought a single bag of charcoal. This is the arithmetic that makes a counter price at a barbecue joint look less outrageous than it does at first glance, and it is also why cheap fatty cuts are not always cheaper once they are cooked.
The calculator reports both figures side by side and reconciles the line costs to the total, so you can see where the money went cut by cut rather than as one lump.
What this page deliberately does not do
It says nothing about temperature, doneness, how long anything may sit out, or whether food is safe to eat. Those are food-safety questions with real consequences and they belong to USDA FSIS and to people qualified to answer them, not to a page doing multiplication. It also has no view on your yield percentage. It multiplies the one you supply.
Questions people ask
How many people does a whole packer brisket feed?
Work it from the cooked weight, not the label. A fifteen-pound packer that yields fifty percent leaves about seven and a half pounds of sliced meat, which is 120 ounces, which is twenty portions at six ounces each. If your trim is heavier or your cook is longer the yield drops and so does that number. The reason people run short is that they divide the fifteen-pound label by the portion size and get forty, which is twice the truth.
What cooked yield should I enter?
Whatever you have measured on your own pit. Weigh the meat raw after trimming, weigh what you actually put on the serving tray, and divide. Do it once for each cut you cook regularly and you will never need a rule of thumb again. Published yields vary enormously because trimming style and cook length vary enormously, and a number from someone whose pit runs two hundred degrees hotter than yours is not useful.
Do children really eat half an adult portion?
Sometimes, and there is no general answer, which is why it is a field. A table of six-year-olds and a table of fifteen-year-olds are completely different problems, and teenagers at a barbecue routinely out-eat the adults. Set it to whatever your own experience of this particular crowd says, or set it to a hundred percent for teenagers and count the little ones separately.
Should I count bone weight in the raw figure?
Yes, if that is what you paid for and what the scale said. That is exactly what the yield percentage is there to strip out. A bone-in butt and a boneless one just get different yield figures, which is more honest than trying to subtract a bone weight you are guessing at. Put them on separate lines rather than averaging them into one.
Why is my cost per cooked pound so much higher than the shelf price?
Because you paid for the fat and water that left during the cook. The multiplier is one divided by the yield: at fifty percent yield your cooked-pound cost is exactly double the raw-pound price, at sixty percent it is about 1.67 times. Add fuel, rub, buns and sides on top and a home cook is often within a couple of dollars a pound of what a barbecue counter charges, which is worth knowing before you argue about it.