Convert pennyweight to ton (long)
Please provide values below to convert pennyweight [pwt] to ton (long) [ton (UK)], or Convert ton (long) to pennyweight.
How to Convert Pennyweight to Ton (Long)
1 pwt = 1.53061224489796e-06 ton (UK)
Example: convert 15 pwt to ton (UK):
15 pwt = 15 × 1.53061224489796e-06 ton (UK) = 2.29591836734694e-05 ton (UK)
Pennyweight to Ton (Long) 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 (Long)
A long ton, also known as the imperial ton or UK ton, is a unit of weight equal to 2,240 pounds or 1,016.0469 kilograms.
History/Origin
The long ton originated in the United Kingdom as a standard measurement for large quantities of goods and materials, particularly in shipping and trade, during the 19th century. It was used alongside other imperial units before the adoption of the metric system.
Current Use
Today, the long ton is primarily used in the United Kingdom and some Commonwealth countries for measuring large quantities of freight, cargo, and in certain industrial contexts. It is less common internationally, having been largely replaced by the metric ton (tonne).