Old coin or a unit of weight

All ounces referenced on this website are troy ounces. Despite the world's gradual conversion to the metric system, the troy ounce remains a fixture of the gold industry and the most important basis for expressing quotations of most gold markets. One troy ounce equals approximately 31.1 grams in weight. There are 32.15 troy ounces in a kilogram.

form of measuring weight. The troy ounce that is used for weighing precious metals is different from the regular grocery store ounce. Click here to read more about troy ounces.

one Troy ounce, used in imperial statistics equals 31.1035 grams. A kilogram = 32.1507 ounces

At the time the Paris ounce was 30.59 grams (Montagne, Zupko).

28.3495 grams

a unit of apothecary weight equal to 480 grains or one twelfth of a pound

a unit of weight equal to one sixteenth of a pound or 16 drams or 28.349 grams

a unit of weight. In the precious metals industry, an ounce means a troy ounce equal to 31.1035 grams.

Used in imperial statistics. A kilogram is equal to 32.1507 ounces. A troy ounce is equal to 31.1035 grams.

Pre-metric unit of weight. There are two scales of ounce measurement. Ounce avoirdupois which is generally associated with foodstuffs and other consumables and ounce troy which is the scale used for precious metals. The metric equivalent of one troy ounce is 3 1.1035 grams.

Troy ounce, equivalent to 1.1 Imperial ounces or 31.1 gm.

See "Troy Ounce."

1. A unit of weight equal to 1/16 of a pound. 2. A unit of volume equal to 1/32 of a quart.

A measure of weight (one-sixteenth pound) and volume (one-eighth cup).

A customary unit used to measure mass; 1 ounce = 1/16 pound; 16 ounces = 1 pound. The abbreviation for ounce is "oz."

The ounce (abbreviation: oz) is the name of a unit of mass in a number of different systems, including various systems of mass that formed part of English units, Imperial units, and United States customary units. Its size can vary from system to system. The most commonly used ounces used today are the international avoirdupois ounce and the international troy ounce.

Measurement of the thickness of leather. 1 ounce = 1/64 inch = 0.4 mm. In theory this measurement is based on the assumption that one square foot of leather will weigh a certain number of ounces and will be a certain uniform thickness. Hence, one square foot of leather which would weigh 3 ounces theoretically would be a 3-ounce leather. However, in practice, this rule varies because of the specific gravity of diverse tanning materials used, and for that reason a splitter's gauge has been adopted to control the thickness of leather when sold by the square foot.