Oz is the abbreviation of the symbol ounce, which is called "ounce" in Chinese (translated from Hong Kong into ounces). It is an English unit of measurement, and it is also called English two when it is used as a unit of weight.

Weight unit 1oz=28.35g (g)

Constant ounce: a unit of weight. The overall abbreviation is oz.av

1 oz = 28.350g.

1 oz = 16 dram.

16 oz = 1 pound (pound)

Troy ounce: A unit of weight. The overall abbreviations are oz.tr (English) and oz.t (American). Common in the measurement of precious metals such as gold and silver.

1 oz = 31.1035g

12 oz = 1 lbs lb.

Drug balance ounce: a unit of weight, abbreviated as ap oz as a whole.

1 oz = 31.1030g

Liquid ounce: the unit of capacity measurement, with the symbol of oz.

1 English liquid ounces =28.4 1 ml.

1 American liquid ounce = 29.57ml.