Convert carat to stone (US)
Please provide values below to convert carat [car, ct] to stone (US) [st (US)], or Convert stone (US) to carat.
1 car, ct = 3.14946088836e-05 st (US). To convert carat to stone (US), multiply the value by 3.14946088836e-05; to go the other way, divide by it (1 st (US) = 31751.4659 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 = 3.14946088836e-05 st (US)
- 1 st (US) = 31751.4659 car, ct
- 10 car, ct = 0.000314946088836 st (US)
- 100 car, ct = 0.00314946088836 st (US)
How to Convert Carat to Stone (Us)
1 car, ct = 3.14946088835539e-05 st (US)
Example: convert 15 car, ct to st (US):
15 car, ct = 15 × 3.14946088835539e-05 st (US) = 0.000472419133253309 st (US)
Carat to Stone (Us) Conversion Table
| carat | stone (US) |
|---|---|
| 1 car, ct | 3.14946088836e-05 st (US) |
| 2 car, ct | 6.29892177671e-05 st (US) |
| 3 car, ct | 9.44838266507e-05 st (US) |
| 5 car, ct | 0.000157473044418 st (US) |
| 10 car, ct | 0.000314946088836 st (US) |
| 20 car, ct | 0.000629892177671 st (US) |
| 50 car, ct | 0.00157473044418 st (US) |
| 100 car, ct | 0.00314946088836 st (US) |
| 500 car, ct | 0.0157473044418 st (US) |
| 1000 car, ct | 0.0314946088836 st (US) |
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.
Stone (Us)
A stone (st) is a unit of weight primarily used in the United States, equal to 14 pounds or approximately 6.35 kilograms.
History/Origin
The stone has origins in medieval England, where it was used as a convenient weight measure for trade and commerce. Its value varied regionally before standardization, and it has been used historically for measuring human body weight and other goods.
Current Use
Today, the stone is mainly used in the UK and Ireland for body weight measurement, while in the United States, it is rarely used and often replaced by pounds or kilograms in most contexts.
Frequently Asked Questions
What is 1 carat in stone (US)?
1 carat (car, ct) = 3.14946088836e-05 stone (US) (st (US)).
How do you convert carat to stone (US)?
Multiply the carat value by 3.14946088836e-05. For example, 25 car, ct × 3.14946088836e-05 = 0.000787365222089 st (US).
What is 10 carat in stone (US)?
10 car, ct = 0.000314946088836 st (US).
Which unit is larger, the carat or the stone (US)?
The stone (US) is the larger unit: 1 car, ct equals only 3.14946088836e-05 st (US).