Each animal is built differently and the final amount will vary. With a live weight of 250 lb the typical hog may produce a 180 lb carcass resulting in approximately 140 lb of vacuum packaged take-home pork as seen in this example.
Boston Butt - 13 lb of roast/steaks
Picnic/Arm - 12 lb of roast/steaks
Ham - 25 lb cured ham
Chops - 25 lb chops/tenderloin/baby back ribs
Bacon - 15 lb
Spare Ribs - 5 lb
Ground - 20 lb ground pork/sausage/links
Jowl - 4 lb
Hocks - 3 lb
Neck Bones - 10 lb
Liver - 3 lb
Fat/Lard - 10 lb