Troy Ounces to Pennyweights Converter (oz t to dwt)
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Troy Ounces to Pennyweights
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Convert Pennyweights to Troy Ounces (dwt to oz t) ▶

Conversion Table

troy ounces to pennyweights
oz tdwt
1 oz t 20 dwt
2 oz t 40 dwt
3 oz t 60 dwt
4 oz t 80 dwt
5 oz t 100 dwt
6 oz t 120 dwt
7 oz t 140 dwt
8 oz t 160 dwt
9 oz t 180 dwt
10 oz t 200 dwt
11 oz t 220 dwt
12 oz t 240 dwt
13 oz t 260 dwt
14 oz t 280 dwt
15 oz t 300 dwt
16 oz t 320 dwt
17 oz t 340 dwt
18 oz t 360 dwt
19 oz t 380 dwt
20 oz t 400 dwt

How to convert

1 troy ounce (oz t) = 20 pennyweight (dwt). Troy Ounce (oz t) is a unit of Weight used in Standard system. Pennyweight (dwt) is a unit of Weight used in Standard system.

Troy Ounces: A Unit of Weight

Troy ounces are a unit of weight that are used for measuring precious metals, such as gold, silver and platinum. Troy ounces are derived from the French word once, which was the name of a unit of weight used in the Middle Ages. The symbol for troy ounce is oz t.

Definition of the Troy Ounce

The troy ounce is defined as 20 pennyweights, which are each 24 grains. The troy grain is equal to the avoirdupois grain, which is one seven-thousandth of an avoirdupois pound. The troy ounce is heavier than the avoirdupois ounce, but lighter than the apothecaries’ ounce.

The troy ounce is equal to about 1.0971 avoirdupois ounces or 31.1035 grams. The troy grain is equal to about 0.0648 milligrams.

How to Convert Troy Ounces

Troy ounces can be converted to other units of weight by using conversion factors or formulas. Here are some examples of how to convert troy ounces to other units of weight in the US customary system and the SI system:

  • To convert troy ounces to avoirdupois ounces, multiply by 1.0971. For example, 10 oz t = 10 x 1.0971 = 10.971 oz.
  • To convert troy ounces to avoirdupois pounds, divide by 14.5833. For example, 5 oz t = 5 / 14.5833 = 0.343 lb.
  • To convert troy ounces to tons (short), divide by 29166.67. For example, 20 oz t = 20 / 29166.67 = 0.000685 ton.
  • To convert troy ounces to kilograms, divide by 32.1507. For example, 15 oz t = 15 / 32.1507 = 0.4666 kg.
  • To convert troy ounces to grams, multiply by 31.1035. For example, 25 oz t = 25 x 31.1035 = 777.5875 g.
  • To convert troy ounces to milligrams, multiply by 31103.4768. For example, 30 oz t = 30 x 31103.4768 = 933104.304 mg.

Where Troy Ounces are Used

Troy ounces are used in different countries and regions for different applications and purposes. Here are some examples of where troy ounces are used:

  • In most countries that use the SI system, troy ounces are not used for measuring weight, but only for measuring precious metals, such as gold, silver and platinum.
  • In the United States, troy ounces are used for measuring precious metals, especially for gold and silver coins and bullion.
  • In Canada, Australia and New Zealand, troy ounces are used for measuring precious metals, especially for gold and silver coins and bullion.
  • In the United Kingdom, troy ounces are used for measuring precious metals, especially for gold and silver coins and bullion.
  • In India, troy ounces are used for measuring precious metals, especially for gold and silver jewelry.

History of Troy Ounces

Troy ounces have a long history that dates back to ancient times. Here are some highlights of the history of troy ounces:

  • The troy ounce was originally based on the weight of a Roman uncia, which was one twelfth of a Roman libra or pound, which was equivalent to about 27 grams.
  • The troy ounce was used in different systems of measurement, such as the Roman system, the Byzantine system, the Arabic system and the English system. It varied from about 26 grams to about 32 grams depending on the region and the time period.
  • The troy ounce was standardized by royal statutes and international agreements in different periods of history. For example, in 1527 an act of Henry VIII fixed the troy ounce at exactly 480 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 Troy Ounces to Other Units

Here are some examples of conversions of troy ounces to other units of weight:

  • 1 oz t = 1.0971 oz
  • 1 oz t = 0.0686 lb
  • 1 oz t = 0.000034 ton
  • 1 oz t = 0.0311 kg
  • 1 oz t = 31.1035 g
  • 1 oz t = 31103.4768 mg
  • 1 oz t = 0.0833 lb t
  • 1 oz t = 20 dwt
  • 1 oz t = 480 gr

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



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