Convert Micrograms to Pennyweights (mcg to dwt) ▶
How to convert
1 pennyweight (dwt) = 1555173.84 microgram (mcg). Pennyweight (dwt) is a unit of Weight used in Standard system. Microgram (mcg) is a unit of Weight used in Metric 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:
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:
History of Pennyweights
Pennyweights have a long history that dates back to ancient times. Here are some highlights of the history of pennyweights:
Example Conversions of Pennyweights to Other Units
Here are some examples of conversions of pennyweights to other units of weight:
Micrograms: A Unit of Weight
Definition of Micrograms
A microgram is a unit of mass or weight equal to one-millionth of a gram. It is part of the metric system, which is based on powers of ten. The symbol for microgram is μg according to the International System of Units (SI); the recommended symbol in the United States and United Kingdom when communicating medical information is mcg. One microgram is equivalent to 0.001 milligrams or 0.000000001 kilograms. It is also equal to 0.000015 grains, which is a unit of weight in the imperial system.
How to Convert Micrograms
To convert micrograms to other units of weight, we need to multiply or divide by the appropriate conversion factor. For example, to convert micrograms to milligrams, we divide by 1000; to convert micrograms to grams, we divide by 1,000,000; and to convert micrograms to kilograms, we divide by 1,000,000,000. Here are some examples of conversion factors for different units of weight:
Where Micrograms are Used
Micrograms are very commonly used in scientific and medical fields where precision and accuracy are essential. For example, micrograms may be used to measure:
Micrograms may also be used in different countries for different applications. For example, in China, micrograms are used to measure the weight of silk; in India, micrograms are used to measure the weight of spices; and in Switzerland, micrograms are used to measure the weight of gold.
History of Micrograms
The origin of micrograms can be traced back to the development of the metric system in France in the late 18th century. The metric system was designed to simplify and standardize the measurement of length, area, volume and mass by using decimal units based on the meter and the kilogram. The gram was defined as one-thousandth of a kilogram, and the microgram was defined as one-millionth of a gram.
The metric system was adopted by many countries around the world over the next two centuries, but it also faced some resistance and opposition from those who preferred the traditional units of measurement. In some cases, the metric system was modified or adapted to suit local needs and preferences. For example, in Germany, the metric system was officially adopted in 1872, but some old units such as pfund (pound) and zentner (hundredweight) are still used today.
The International System of Units (SI) was established in 1960 as a modern version of the metric system that is based on seven base units: meter, kilogram, second, ampere, kelvin, mole and candela. The SI also defines several derived units that are combinations of the base units, such as newton, joule and watt. The SI is recognized as the global standard for measurement and is used by most countries and international organizations today.
Example Conversions of Micrograms to Other Units
Here are some examples of how to convert micrograms to other units of weight using the conversion factors mentioned above:
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