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Troy weight is a system of units of mass that originated in 15th-century Kingdom of England [1] and is primarily used in the precious metals industry. The troy weight units are the grain, the pennyweight (24 grains), the troy ounce (20 pennyweights), and the troy pound (12 troy ounces).
Unidades de medida. La libra troy (troy) contiene 5,760 granos (≈ 373.24 gramos, 12 ozt), mientras que una libra avoirdupois es ≈ 21,53% más pesada y equivale a 7.000 granos (≈ 453,59 gr). Una onza troy (ozt) equivale a 31.1034768 gramos.
Finely crafted pan balance or scales with boxed set of standardized gram weights sequenced in units of mass. Such scales are used to make the most accurate of fine measurements, such as in the needs of empirical chemistry. Avoirdupois ( / ˌævərdəˈpɔɪz, ˌævwɑːrdjuːˈpwɑː /; [1] abbreviated avdp.) [2] is a measurement system of ...
A grain is a unit of measurement of mass, and in the troy weight, avoirdupois, and apothecaries' systems, equal to exactly 64.798 91 milligrams. It is nominally based upon the mass of a single ideal seed of a cereal. From the Bronze Age into the Renaissance, the average masses of wheat and barley grains were part of the legal ...
troy weight, traditional system of weight in the British Isles based on the grain, pennyweight (24 grains), ounce (20 pennyweights), and pound (12 ounces). The troy grain, pennyweight, and ounce have been used since the Middle Ages to weigh gold, silver, and other precious metals and stones.
- The Editors of Encyclopaedia Britannica
El peso troy es un sistema de unidades de masa utilizado habitualmente para metales preciosos, piedras preciosas y pólvora. El nombre procede de Troyes, Francia, pues se sabe que el sistema troy de pesos se usaba allí en la época medieval, en la feria celebrada en Troyes, en el noreste de Francia.
Troy weight is a system of unit s of mass that originated in 15th-century Kingdom of England [1] and is primarily used in the precious metal s industry. The troy weight units are the grain, the pennyweight (24 grains), the troy ounce (20 pennyweights), and the troy pound (12 troy ounces).
