Apothecaries' system the Roman weight system. An apothecaries' pound normally consisted of 12 ounces. (In France this was changed to 16 ounces, and in Spain the customary unit was the "marco", a mark of 8 ounces.) In the south of Europe and in France, the scruple was generally divided into 24 grains, so that one ounce consisted of 576 grains. Nevertheless, the subdivision of an ounce was somewhat more uniform than that of a pound, and a common feature of all variants is that 12 ounces are roughly 100 drachms (96–128 drachms) and a grain is roughly the weight of a physical
Pound for pound Pound for pound Pound for pound is a ranking used in combat sports, such as boxing wrestling, or mixed martial arts, of who the better fighters are relative to their weight (i.e., adjusted to compensate for weight class). As these fighters do not compete directly, judging the best fighter pound for pound is subjective, and ratings vary. They may be based on a range of criteria including "quality of opposition", factors such as how exciting the fighter is or how famous they are, or be an attempt to determine who would win if all those ranked were the same size.