oz to gr | Ounce to Grain Converter

Ounce

The ounce (symbol: oz) is a unit of mass. It is equal to 1/16th of a pound and is exactly 28.349523125 grams. It is primarily used in the United States to measure packaged foods and food portions, postal items, areal density of fabric and paper, boxing gloves, and so on, but it is sometimes also used elsewhere in the English speaking countries.

Grain

The grain or troy grain (symbol: gr) is a unit of mass and it is exactly equal to 64.79891 milligrams. One gram is thus approximately equivalent to 15.43236 grains. The unit formerly used by jewellers to measure pearls, diamonds, and other precious stones, called the jeweller's grain or pearl grain, is equal to 1⁄4 carat (50 mg; 0.77 gr). The grain was also the name of a traditional French unit equal to 53.115 mg. In both British Imperial units and United States customary units, there are precisely 7,000 grains per avoirdupois pound, and 5,760 grains per troy pound or apothecaries' pound.

oz to gr | Ounces to Grains Table