Convert pound (troy or apothecary) to pennyweight
Please provide values below to convert pound (troy or apothecary) [lb t] to pennyweight [pwt], or Convert pennyweight to pound (troy or apothecary).
How to Convert Pound (Troy Or Apothecary) to Pennyweight
1 lb t = 240 pwt
Example: convert 15 lb t to pwt:
15 lb t = 15 × 240 pwt = 3600 pwt
Pound (Troy Or Apothecary) to Pennyweight Conversion Table
| pound (troy or apothecary) | pennyweight |
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Pound (Troy Or Apothecary)
A pound (troy or apothecary) is a unit of weight used primarily for precious metals and gemstones, equivalent to 12 ounces or approximately 373 grams.
History/Origin
The troy pound originated in the medieval French town of Troyes, historically used in the trade of precious metals and gemstones. The apothecary pound was used in pharmacy for weighing medicines and ingredients. Both units have roots in medieval European systems of measurement.
Current Use
The troy pound is still used in the precious metals industry, especially for gold, silver, and gemstones. The apothecary pound is largely obsolete but may still be referenced in historical contexts or traditional practices.
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.