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Carats to Stones
Converter |
Convert Stones to Carats (st to ct)
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Conversion Table
carats
to stones |
ct | st |
1000 ct | 0.0315 st |
2000 ct | 0.063 st |
3000 ct | 0.0945 st |
4000 ct | 0.126 st |
5000 ct | 0.1575 st |
6000 ct | 0.189 st |
7000 ct | 0.2205 st |
8000 ct | 0.252 st |
9000 ct | 0.2835 st |
10000 ct | 0.3149 st |
11000 ct | 0.3464 st |
12000 ct | 0.3779 st |
13000 ct | 0.4094 st |
14000 ct | 0.4409 st |
15000 ct | 0.4724 st |
16000 ct | 0.5039 st |
17000 ct | 0.5354 st |
18000 ct | 0.5669 st |
19000 ct | 0.5984 st |
20000 ct | 0.6299 st |
How to convert 1 carat (ct) = 3.14946E-05 stone (st).
Carat (ct) is a unit of Weight used in Standard system.
Stone (st) is a unit of Weight used in Standard system. Carats: A Unit of Weight
Carats are a unit of weight that are used for measuring gemstones and pearls. Carats are derived from the Arabic word qirat, which means a small weight or a seed. The symbol for carat is ct.
Definition of the Carat
The carat is defined as 200 milligrams, which is one fifth of a gram. The carat is divided into 100 points, which are each 2 milligrams. For example, a diamond that weighs 0.5 carat can also be expressed as 50 points or 100 milligrams.
The carat is not a legal unit of measurement in most countries, except for some that use the metric system, such as France, Belgium, Italy and Switzerland. In other countries, such as the United States, Canada, Australia and New Zealand, the carat is used as a standard unit for the diamond industry.
How to Convert Carats
Carats can be converted to other units of weight by using conversion factors or formulas. Here are some examples of how to convert carats to other units of weight in the US customary system and the SI system:
- To convert carats to ounces, divide by 141.7476. For example, 10 ct = 10 / 141.7476 = 0.071 oz.
- To convert carats to pounds, divide by 2267.962. For example, 20 ct = 20 / 2267.962 = 0.009 lb.
- To convert carats to tons (short), divide by 4535923.7. For example, 50 ct = 50 / 4535923.7 = 0.000011 ton.
- To convert carats to grams, divide by 5. For example, 100 ct = 100 / 5 = 20 g.
- To convert carats to kilograms, divide by 5000. For example, 200 ct = 200 / 5000 = 0.04 kg.
- To convert carats to milligrams, multiply by 200. For example, 25 ct = 25 x 200 = 5000 mg.
Where Carats are Used
Carats are used in different countries and regions for different applications and purposes. Here are some examples of where carats are used:
- In most countries that use the metric system, carats are used for measuring gemstones and pearls, such as diamonds, rubies, sapphires, emeralds and pearls.
- In the United States, carats are used for measuring gemstones and pearls, especially for diamonds and diamond jewelry.
- In Canada, Australia and New Zealand, carats are used for measuring gemstones and pearls, especially for diamonds and diamond jewelry.
- In China, carats are used for measuring gemstones and pearls, especially for jade and jade jewelry.
- In India, carats are used for measuring gemstones and pearls, especially for gold and gold jewelry.
History of Carats
Carats have a long history that dates back to ancient times. Here are some highlights of the history of carats:
- The carat was originally based on the weight of a carob seed, which was used as a counterweight in balance scales by ancient traders and jewelers. The carob seed was believed to have a uniform weight of about one fifth of a gram.
- The carat was used in different systems of measurement, such as the Roman system, the Byzantine system, the Arabic system and the Ottoman system. It varied from about 180 milligrams to about 220 milligrams depending on the region and the time period.
- The carat was standardized by international agreements in different periods of history. For example, in 1575 an agreement between France and England fixed the carat at 205 milligrams; in 1871 an agreement between Parisian jewelers fixed the carat at 205.3 milligrams; in 1907 an agreement between the International Committee of Weights and Measures fixed the carat at exactly 200 milligrams.
Example Conversions of Carats to Other Units
Here are some examples of conversions of carats to other units of weight:
- 1 ct = 0.007055 oz
- 1 ct = 0.000441 lb
- 1 ct = 0.00000022 ton
- 1 ct = 0.2 g
- 1 ct = 200 mg
- 1 ct = 200000 µg
- 1 ct = 0.643 troy oz
- 1 ct = 0.643 apothecaries’ oz
- 1 ct = 0.706 Spanish oz
- 1 ct = 0.671 French oz
Stones: A Unit of Weight
Stones are a unit of weight that are used in the British imperial system and the US customary system. Stones are derived from the use of stones for weights, a practice that dates back to ancient times. The word stone comes from the Old English stan, meaning stone, and the abbreviation st comes from the Latin word statera, meaning balance.
Definition of the Stone
The stone is defined as 14 pounds avoirdupois, which is equal to 6.35 kilograms or 224 ounces. The avoirdupois pound is defined as 7000 grains, which is a unit of mass based on the weight of a grain of wheat. The stone is one-eighth of a hundredweight, which is 112 pounds, and one-quarter of a quarter, which is 28 pounds.
The stone is not a legal unit of measurement in most countries, except for the United Kingdom and Ireland, where it is still used for measuring body weight. In other countries, such as the United States, Canada, Australia and New Zealand, the stone is sometimes used informally for expressing human weight.
How to Convert Stones
Stones can be converted to other units of weight by using conversion factors or formulas. Here are some examples of how to convert stones to other units of weight in the US customary system and the SI system:
- To convert stones to pounds, multiply by 14. For example, 10 st = 10 x 14 = 140 lb.
- To convert stones to ounces, multiply by 224. For example, 5 st = 5 x 224 = 1120 oz.
- To convert stones to tons (short), divide by 142.857. For example, 20 st = 20 / 142.857 = 0.14 ton.
- To convert stones to kilograms, multiply by 6.35. For example, 8 st = 8 x 6.35 = 50.8 kg.
- To convert stones to grams, multiply by 6350. For example, 3 st = 3 x 6350 = 19050 g.
- To convert stones to milligrams, multiply by 6350000. For example, 2 st = 2 x 6350000 = 12700000 mg.
Where Stones are Used
Stones are used in different countries and regions for different applications and purposes. Here are some examples of where stones are used:
- In the United Kingdom and Ireland, stones are used for measuring body weight and livestock weight. For example, a person may weigh 11 st or a cow may weigh 40 st.
- In the United States, stones are sometimes used for measuring body weight and sports equipment. For example, a boxer may weigh 12 st or a bowling ball may weigh 1 st.
- In Canada, Australia and New Zealand, stones are sometimes used for measuring body weight and agricultural products. For example, a person may weigh 9 st or a bag of potatoes may weigh 2 st.
- In some African countries, such as Kenya and Uganda, stones are sometimes used for measuring crops and commodities. For example, a sack of maize may weigh 4 st or a bunch of bananas may weigh 1 st.
History of Stones
Stones have a long history that dates back to ancient times. Here are some highlights of the history of stones:
- The stone was an ancient unit of measurement that was based on the weight of a natural stone or rock. It varied from place to place and from time to time depending on the type and size of the stone used.
- The stone was used in different systems of measurement, such as the Roman system, the Anglo-Saxon system, the English system and the Scottish system. It ranged from about 5 pounds to about 40 pounds depending on the region and the object weighed.
- The stone was standardized by royal statutes and international agreements in different periods of history. For example, in 1389 a royal statute fixed the stone of wool at 14 pounds in England; in 1824 an international agreement defined the avoirdupois pound as exactly 453.59237 grams; in 1835 an act permitted using a stone of 14 pounds for trade in Britain; in 1959 an international agreement defined the international avoirdupois ounce as exactly 28.349523125 grams.
Example Conversions of Stones to Other Units
Here are some examples of conversions of stones to other units of weight:
- 1 st = 14 lb
- 1 st = 224 oz
- 1 st = 0.007143 ton
- 1 st = 6.35 kg
- 1 st = 6350 g
- 1 st = 6350000 mg
- 1 st = 0.714286 troy oz
- 1 st = 0.714286 apothecaries’ oz
- 1 st = 0.5 Spanish oz
- 1 st = 0.458333 French oz
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