Convert Carats (ct) to Stones (st)
Converting carats (ct) to stones (st) is essential for understanding gemstone weights. With a conversion factor of 1 ct = 3.1495e-5 st, this tool helps you make sense of jewelry weights effortlessly.
Conversion Formula
Reverse: ct = st × 31751.4
Conversion Examples
Carat to Stone Table
| Carat (ct) | Stone (st) | Fraction |
|---|---|---|
| 1,000 | 0.03149462 | 1/32 |
| 2,000 | 0.06298925 | 1/16 |
| 3,000 | 0.09448387 | 3/32 |
| 4,000 | 0.1259785 | 1/8 |
| 5,000 | 0.15747312 | 5/32 |
| 6,000 | 0.18896775 | 3/16 |
| 7,000 | 0.22046237 | 7/32 |
| 8,000 | 0.251957 | 1/4 |
| 9,000 | 0.28345162 | 9/32 |
| 10,000 | 0.31494625 | 5/16 |
| 11,000 | 0.34644087 | 11/32 |
| 12,000 | 0.3779355 | 3/8 |
| 13,000 | 0.40943012 | 13/32 |
| 14,000 | 0.44092475 | 7/16 |
| 15,000 | 0.47241937 | 15/32 |
| 16,000 | 0.50391399 | 1/2 |
| 17,000 | 0.53540862 | 17/32 |
| 18,000 | 0.56690324 | 9/16 |
| 19,000 | 0.59839787 | 19/32 |
| 20,000 | 0.62989249 | 5/8 |
Unit Definitions
What is a Carat (ct)?
A carat (ct) is a unit of weight used for gemstones and pearls, equivalent to 200 milligrams.
History
The term 'carat' originated from the carob seeds that were historically used as a balance scale for weighing gems. Over time, it became a standard unit of measure in the gem industry.
Current Use
Today, carats are universally accepted in the jewelry industry for measuring the weight of precious stones.
Learn more about CaratWhat is a Stone (st)?
A stone (st) is a unit of weight commonly used in the UK and Ireland, equivalent to 14 pounds or approximately 6.35 kilograms.
History
The stone as a measure dates back to the Middle Ages when various stones were used for weighing goods in markets. It was standardized in the 14th century.
Current Use
While stones are still used in the UK for measuring body weight, their use in gemology is less common, making conversions to carats necessary for clarity.
Learn more about Stone