Convert nanogram to pennyweight
Please provide values below to convert nanogram [ng] to pennyweight [pwt], or Convert pennyweight to nanogram.
How to Convert Nanogram to Pennyweight
1 ng = 6.4301493137256e-10 pwt
Example: convert 15 ng to pwt:
15 ng = 15 × 6.4301493137256e-10 pwt = 9.64522397058839e-09 pwt
Nanogram to Pennyweight Conversion Table
| nanogram | pennyweight |
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Nanogram
A nanogram (ng) is a unit of mass equal to one billionth (10^-9) of a gram.
History/Origin
The nanogram was introduced as part of the metric system to measure extremely small quantities, especially in scientific and medical fields, as the need for precise measurement of tiny masses grew with technological advancements.
Current Use
Nanograms are commonly used in scientific research, pharmaceuticals, and environmental testing to measure very 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.