Convert femtogram to pennyweight
Please provide values below to convert femtogram [fg] to pennyweight [pwt], or Convert pennyweight to femtogram.
How to Convert Femtogram to Pennyweight
1 fg = 6.4301493137256e-16 pwt
Example: convert 15 fg to pwt:
15 fg = 15 × 6.4301493137256e-16 pwt = 9.64522397058839e-15 pwt
Femtogram to Pennyweight Conversion Table
| femtogram | pennyweight |
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Femtogram
A femtogram (fg) is a unit of mass equal to 10^-15 grams.
History/Origin
The femtogram was introduced as part of the metric system's extension to measure extremely small masses, particularly in scientific fields such as chemistry and biology, during the 20th century as measurement technology advanced.
Current Use
Femtograms are used in scientific research to measure tiny quantities of substances, such as in molecular biology, nanotechnology, and materials science, where precise measurement of very small masses is required.
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.