how many grams is one ounce?

how many grams is one ounce?

  1. In the English system of measures 1 an ounce (uncia, oz) = 28,3495231 grams.

    The troy ounce is the weight unit of gold and other precious metals, 1 / 12 the share of the English gold coin pound.

    Troy ounce = 31,1034768 grams.

    The name comes from the city of Troyes in France. Now it is widely used in banking, jewelry, for measuring the weight of precious metals, as well as in some other areas, for example, in cosmetics for measuring the weight of especially valuable ingredients.
    International designation of the troy ounce of gold, silver, platinum and palladium respectively XAU, XAG, XPT, XPD.

    In the old Russian system of measures up to 1927 - 1 pharmacy, or troy ounce = 29,860 grams

    Pharmacy weight is a system of mass measures used for weighing drugs up to 1927 (different from the English system of measures)

    In ancient Rome, an ounce (uncia, plural unciae) was about 27,3 grams.

    An ounce of Maria Theresa used to be used in Ethiopia and in some European countries. It was equal to 31,1025 grams.

    In the Netherlands, when moving to a metric system of measures, 1 ounce (ons in Dutch) was redefined as 100 gram.

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