Grams Conversions

A unit of measurement of weight and mass in the metric system. In weight, a gram is equal to a thousandth of a kilogram.
Ounce, unit of weight in the avoirdupois system, equal to 1/16 pound (437 1/2 grains), and in the troy and apothecaries' systems, equal to 480 grains, or 1/12 pound.