Convert ton (assay) (UK) to pennyweight
Please provide values below to convert ton (assay) (UK) [AT (UK)] to pennyweight [pwt], or Convert pennyweight to ton (assay) (UK).
How to Convert Ton (Assay) (Uk) to Pennyweight
1 AT (UK) = 21.0051544248369 pwt
Example: convert 15 AT (UK) to pwt:
15 AT (UK) = 15 × 21.0051544248369 pwt = 315.077316372554 pwt
Ton (Assay) (Uk) to Pennyweight Conversion Table
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Ton (Assay) (Uk)
The ton (assay) (UK), symbol AT (UK), is a traditional unit of weight used primarily for precious metals, equivalent to 31.1034768 grams.
History/Origin
The assay ton originated in the United Kingdom as a standard measure for precious metals, particularly gold and silver, used in assay processes and trading. It has historical roots in the British imperial system and was standardized for trade and assay purposes.
Current Use
Today, the assay ton (UK) is mainly used in the precious metals industry for assay and valuation purposes, especially in the UK and related markets, although it has largely been replaced by the metric gram and troy ounce in general commerce.
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.