Convert carat to pennyweight
Please provide values below to convert carat [car, ct] to pennyweight [pwt], or Convert pennyweight to carat.
1 car, ct = 0.128602986275 pwt. To convert carat to pennyweight, multiply the value by 0.128602986275; to go the other way, divide by it (1 pwt = 7.7758692 car, ct). Both units measure weight and mass and appear in everyday as well as technical calculations, so switching between them quickly is often useful.
Quick Reference
- 1 car, ct = 0.128602986275 pwt
- 1 pwt = 7.7758692 car, ct
- 10 car, ct = 1.28602986275 pwt
- 100 car, ct = 12.8602986275 pwt
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 |
|---|---|
| 1 car, ct | 0.128602986275 pwt |
| 2 car, ct | 0.257205972549 pwt |
| 3 car, ct | 0.385808958824 pwt |
| 5 car, ct | 0.643014931373 pwt |
| 10 car, ct | 1.28602986275 pwt |
| 20 car, ct | 2.57205972549 pwt |
| 50 car, ct | 6.43014931373 pwt |
| 100 car, ct | 12.8602986275 pwt |
| 500 car, ct | 64.3014931373 pwt |
| 1000 car, ct | 128.602986275 pwt |
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.
Frequently Asked Questions
What is 1 carat in pennyweight?
1 carat (car, ct) = 0.128602986275 pennyweight (pwt).
How do you convert carat to pennyweight?
Multiply the carat value by 0.128602986275. For example, 25 car, ct × 0.128602986275 = 3.21507465686 pwt.
What is 10 carat in pennyweight?
10 car, ct = 1.28602986275 pwt.
Which unit is larger, the carat or the pennyweight?
The pennyweight is the larger unit: 1 car, ct equals only 0.128602986275 pwt.