Convert pennyweight to ton (assay) (UK)
Please provide values below to convert pennyweight [pwt] to ton (assay) (UK) [AT (UK)], or Convert ton (assay) (UK) to pennyweight.
How to Convert Pennyweight to Ton (Assay) (Uk)
1 pwt = 0.0476073624489796 AT (UK)
Example: convert 15 pwt to AT (UK):
15 pwt = 15 × 0.0476073624489796 AT (UK) = 0.714110436734694 AT (UK)
Pennyweight to Ton (Assay) (Uk) Conversion Table
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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.
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metals industry for assay and valuation purposes, especially in the UK and related markets, although it has largely been replaced by the metric gram and troy ounce in general commerce.