Convert microgram to pennyweight
Please provide values below to convert microgram [µg] to pennyweight [pwt], or Convert pennyweight to microgram.
How to Convert Microgram to Pennyweight
1 µg = 6.4301493137256e-07 pwt
Example: convert 15 µg to pwt:
15 µg = 15 × 6.4301493137256e-07 pwt = 9.64522397058839e-06 pwt
Microgram to Pennyweight Conversion Table
| microgram | pennyweight |
|---|
Microgram
A microgram (µg) is a unit of mass equal to one millionth of a gram (10^-6 grams).
History/Origin
The microgram was introduced as part of the metric system to measure very small quantities, particularly in science and medicine, and has been widely used since the 20th century.
Current Use
Micrograms are commonly used today in fields such as pharmacology, nutrition, and chemistry to measure small amounts of substances accurately.
Pennyweight
The pennyweight (pwt) is a unit of weight traditionally used in measuring precious metals and gemstones, equivalent to 1/20 of a troy ounce or 1.555 grams.
History/Origin
Originating in the medieval period, the pennyweight was used in the troy weight system for weighing gold and silver, especially in the jewelry and precious metals industries. Its use has persisted in certain regions and industries for historical and practical reasons.
Current Use
Today, the pennyweight is primarily used in the jewelry trade and precious metals markets to specify weights of gold, silver, and gemstones, especially in the United States and in contexts where precise measurement of small quantities is required.