Convert ton (assay) (US) to carat
Please provide values below to convert ton (assay) (US) [AT (US)] to carat [car, ct], or Convert carat to ton (assay) (US).
How to Convert Ton (Assay) (Us) to Carat
1 AT (US) = 145.833333333333 car, ct
Example: convert 15 AT (US) to car, ct:
15 AT (US) = 15 × 145.833333333333 car, ct = 2187.5 car, ct
Ton (Assay) (Us) to Carat Conversion Table
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Ton (Assay) (Us)
The ton (assay) (US), symbolized as AT (US), is a unit of weight used primarily in the assay and precious metals industry, equivalent to 31.1034768 grams.
History/Origin
The assay ton originated in the United States as a standardized measure for precious metal content in assays, aligning with the metric system but retaining the traditional 'ton' terminology for industry consistency.
Current Use
Today, the assay ton (AT US) is used mainly in the precious metals industry for assay purposes, especially in the context of gold and silver purity measurements, and is part of weight and mass conversions within the 'Common Converters' category.
Carat
A carat is a unit of mass used to measure gemstones and pearls, equal to 200 milligrams.
History/Origin
The carat originated from the carob seed, which was historically used as a counterweight in balance scales due to its uniform weight. The term has been used since the 16th century to measure precious stones.
Current Use
Today, the carat is primarily used in the jewelry industry to specify the weight of diamonds and other gemstones, with 1 carat equaling 0.2 grams.