Convert carat to quarter (US)
Please provide values below to convert carat [car, ct] to quarter (US) [qr (US)], or Convert quarter (US) to carat.
How to Convert Carat to Quarter (Us)
1 car, ct = 1.76369809747902e-05 qr (US)
Example: convert 15 car, ct to qr (US):
15 car, ct = 15 × 1.76369809747902e-05 qr (US) = 0.000264554714621853 qr (US)
Carat to Quarter (Us) Conversion Table
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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.
Quarter (Us)
A quarter (US) is a unit of weight equal to one-fourth of a pound, commonly used in measuring precious metals and other small quantities.
History/Origin
The quarter originated from the traditional British weight system and was adopted in the United States as a subdivision of the pound. It has historically been used in commerce and trade for precise measurements.
Current Use
Today, the quarter is primarily used in the United States for measuring precious metals, jewelry, and small quantities of certain commodities. It is part of the customary units in the 'Weight and Mass' category within common converters.