The small package makes the pile
Run the defaults: 478 lb split six ways, with the ground at 42 percent in one pound packages. The ground is 200.8 lb and it becomes 201 packages. Everything else on the sheet together — 277 lb of steaks, roasts, stew, ribs and organ meat — comes to 148. So 42 percent of the weight is 58 percent of the count, and it is entirely because that line has the smallest package on it.
Change nothing but the ground package size to a pound and a half and the total falls from 349 to 282. That is 67 fewer packages, 14.74 dollars of wrap and about 50 minutes off the table, from one answer on the sheet that most people give without thinking about it.
Package count is what the day actually costs
Material and labour are both charged per package, never per pound. At 22 cents a pouch and 45 seconds each, the default sheet is 76.78 dollars of wrap and 4 hours 22 minutes of somebody standing at a table. That is 16 cents a pound of packaging on top of whatever the meat cost, and it does not appear on any quote because it is either inside the cutting charge or inside your own Saturday.
The page prints the count for the largest line at half, one and a half and double its current size for exactly this reason. It is the cheapest decision on the sheet and the one made with the least thought.
The shares are yours, not ours
There is no correct split of a carcass into cuts, and any page that hands you one is describing somebody else's sheet. The defaults here are a plausible beef allocation and nothing more. Ask for the chuck and the round as roasts and the ground share drops by ten points or more; ask for everything boneless and trimmed close and it climbs, because trimming does not vanish — it goes in the grinder.
If the shares add to less than 100 the page reports the gap as an unallocated line rather than quietly absorbing it, because on a real sheet that gap is the trim you forgot to say what to do with, and the default answer is that it becomes ground whether you asked or not.
What it does not do
It counts packages, not volume. A one pound flat pack of ground and a three and a half pound bone-in roast do not take the same freezer space per pound and no package count can tell you they do. It also has no view on your labels beyond counting them, and the one thing worth writing on every one is the date, because a chest freezer will happily keep a mystery for four years.
And it knows nothing about how any of it was handled. Chilling, aging, packaging and what has to appear on a label if the meat is ever sold rather than eaten at home are questions for the plant and for whoever inspects it, not for a calculator.
Questions people ask
How many packages come out of half a beef?
At the placeholder sheet in the form — 478 lb split across six lines with the ground in one pound packs — it is 349 packages, of which 201 are ground. Change the ground to a pound and a half and the total falls to 282. The count is set by your package sizes far more than by the weight, so put your own sheet in rather than reading a number off anybody, this page included.
What percentage of a beef is ground?
Whatever you ask for. It is not a property of the animal — it is the sum of everything you did not ask to be kept whole, plus all the trim. Leave the chuck and round as roasts and it can sit near a third; ask for boneless and closely trimmed everything and it goes past half. The form defaults to 42 percent as a placeholder to replace with your own sheet.
Why does my package count matter more than the weight?
Because wrap and labour are charged per package. Two sheets that put the same pounds in the freezer can differ by seventy packages, and that is fifteen dollars of material and the better part of an hour at the table. It is also the difference between a freezer you can find things in and one you cannot.
What happens if my shares do not add up to 100?
If they add to less, the page reports the remainder as an unallocated line and leaves it there rather than hiding it, because on a real cut sheet that remainder is trim somebody has to decide about. If they add to more than 100, every line is scaled down by the same factor so the total fits the take-home weight, and the page tells you it did that.
Should I use one pound or two pound packages of ground?
That is a question about how you cook rather than about butchery, and the page will not answer it. What it will tell you is the price of the answer: at the default sheet, going from one pound to two halves the ground line from 201 packages to 101, taking 22 dollars and about 75 minutes with it. Decide on the cooking, then look at what it costs.