Convert carat to pennyweight
Please provide values below to convert carat [car, ct] to pennyweight [pwt], or Convert pennyweight to carat.
How to Convert Carat to Pennyweight
1 car, ct = 0.128602986274512 pwt
Example: convert 15 car, ct to pwt:
15 car, ct = 15 × 0.128602986274512 pwt = 1.92904479411768 pwt
Carat to Pennyweight Conversion Table
| carat | pennyweight |
|---|
Carat
A carat is a unit of mass used to measure gemstones and pearls, equal to 200 milligrams.
History/Origin
The carat originated from the carob seed, which was historically used as a counterweight in balance scales due to its uniform weight. The term has been used since the 16th century to measure precious stones.
Current Use
Today, the carat is primarily used in the jewelry industry to specify the weight of diamonds and other gemstones, with 1 carat equaling 0.2 grams.
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.