Convert ton (assay) (US) to pennyweight
Please provide values below to convert ton (assay) (US) [AT (US)] to pennyweight [pwt], or Convert pennyweight to ton (assay) (US).
How to Convert Ton (Assay) (Us) to Pennyweight
1 AT (US) = 18.754602165033 pwt
Example: convert 15 AT (US) to pwt:
15 AT (US) = 15 × 18.754602165033 pwt = 281.319032475495 pwt
Ton (Assay) (Us) to Pennyweight 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.
Pennyweight
The pennyweight (pwt) is a unit of weight traditionally used in measuring precious metals and gemstones, equivalent to 1/20 of a troy ounce or 1.555 grams.
History/Origin
Originating in the medieval period, the pennyweight was used in the troy weight system for weighing gold and silver, especially in the jewelry and precious metals industries. Its use has persisted in certain regions and industries for historical and practical reasons.
Current Use
Today, the pennyweight is primarily used in the jewelry trade and precious metals markets to specify weights of gold, silver, and gemstones, especially in the United States and in contexts where precise measurement of small quantities is required.