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Pennyweights to Carats
Converter |
Convert Carats to Pennyweights (ct to dwt)
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Conversion Table
pennyweights
to carats |
dwt | ct |
1 dwt | 7.7759 ct |
2 dwt | 15.5517 ct |
3 dwt | 23.3276 ct |
4 dwt | 31.1035 ct |
5 dwt | 38.8793 ct |
6 dwt | 46.6552 ct |
7 dwt | 54.4311 ct |
8 dwt | 62.207 ct |
9 dwt | 69.9828 ct |
10 dwt | 77.7587 ct |
11 dwt | 85.5346 ct |
12 dwt | 93.3104 ct |
13 dwt | 101.0863 ct |
14 dwt | 108.8622 ct |
15 dwt | 116.638 ct |
16 dwt | 124.4139 ct |
17 dwt | 132.1898 ct |
18 dwt | 139.9656 ct |
19 dwt | 147.7415 ct |
20 dwt | 155.5174 ct |
How to convert 1 pennyweight (dwt) = 7.7758692 carat (ct).
Pennyweight (dwt) is a unit of Weight used in Standard system.
Carat (ct) is a unit of Weight used in Standard system. Pennyweights: A Unit of Weight
Pennyweights are a unit of weight that are used for measuring precious metals, such as gold, silver and platinum. Pennyweights are derived from the English word penny, which was the name of a coin used in the Middle Ages. The symbol for pennyweight is dwt.
Definition of the Pennyweight
The pennyweight is defined as 24 grains, which are each one seven-thousandth of an avoirdupois pound. The grain is equal to the troy grain, which is the smallest unit of the troy weight system. The pennyweight is one twentieth of a troy ounce and one two-hundred-and-fortieth of a troy pound.
The pennyweight is equal to about 0.0549 avoirdupois ounces or 1.5552 grams. The grain is equal to about 0.0648 milligrams.
How to Convert Pennyweights
Pennyweights can be converted to other units of weight by using conversion factors or formulas. Here are some examples of how to convert pennyweights to other units of weight in the US customary system and the SI system:
- To convert pennyweights to avoirdupois ounces, divide by 18.2292. For example, 10 dwt = 10 / 18.2292 = 0.5486 oz.
- To convert pennyweights to avoirdupois pounds, divide by 291.6667. For example, 5 dwt = 5 / 291.6667 = 0.0171 lb.
- To convert pennyweights to tons (short), divide by 583333.33. For example, 20 dwt = 20 / 583333.33 = 0.000034 ton.
- To convert pennyweights to kilograms, divide by 643.0149. For example, 15 dwt = 15 / 643.0149 = 0.0233 kg.
- To convert pennyweights to grams, divide by 0.643. For example, 25 dwt = 25 / 0.643 = 38.8798 g.
- To convert pennyweights to milligrams, multiply by 1555.1738. For example, 30 dwt = 30 x 1555.1738 = 46655.214 mg.
Where Pennyweights are Used
Pennyweights are used in different countries and regions for different applications and purposes. Here are some examples of where pennyweights are used:
- In most countries that use the SI system, pennyweights are not used for measuring weight, but only for measuring precious metals, such as gold, silver and platinum.
- In the United States, pennyweights are sometimes used for measuring precious metals, especially for gold and silver jewelry and scrap.
- In Canada, Australia and New Zealand, pennyweights are sometimes used for measuring precious metals, especially for gold and silver jewelry and scrap.
- In the United Kingdom, pennyweights are sometimes used for measuring precious metals, especially for gold and silver jewelry and scrap.
- In India, pennyweights are sometimes used for measuring precious metals, especially for gold and silver jewelry and scrap.
History of Pennyweights
Pennyweights have a long history that dates back to ancient times. Here are some highlights of the history of pennyweights:
- The pennyweight was originally based on the weight of an English silver penny, which was one two-hundred-and-fortieth of a Tower pound or one twentieth of a Tower ounce.
- The pennyweight was used in different systems of measurement, such as the Tower system, the Troy system, the Avoirdupois system and the Apothecaries’ system. It varied from about 1 gram to about 1.7 grams depending on the region and the time period.
- The pennyweight was standardized by royal statutes and international agreements in different periods of history. For example, in 1527 an act of Henry VIII fixed the pennyweight at exactly 24 grains; in 1828 an act of Congress adopted the troy ounce as the official unit of weight for coinage in the United States; in 1959 an international agreement defined the international avoirdupois ounce as exactly 28.349523125 grams, which made the troy ounce exactly 31.1034768 grams.
Example Conversions of Pennyweights to Other Units
Here are some examples of conversions of pennyweights to other units of weight:
- 1 dwt = 0.0549 oz
- 1 dwt = 0.0034 lb
- 1 dwt = 0.0000017 ton
- 1 dwt = 0.0016 kg
- 1 dwt = 1.5552 g
- 1 dwt = 1555.1738 mg
- 1 dwt = 0.05 oz t
- 1 dwt = 0.0833 lb t
- 1 dwt = 24 gr
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
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