Troy ounces: weight units. The overall abbreviation is oz.tr (English), oz.t (US). Common metering silver and other precious metals of gold.
Constant ounces: weight unit. The overall abbreviation is oz.av.
1 ounce = 28.350 grams
1 ounce = 16 dozen orchids (dram)
16 ounces = 1 pound (pound)
12 ounces = 1 lbs pounds of drug ounces: weight units, the overall abbreviation is ap oz.
1 oz = 31.1030 gram fluid ounce: capacity unit of measure, symbol oz
1 inch liquid ounce = 28.41 ml
1 US liquid ounce = 29.57 ml
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