Convert pound (troy or apothecary) to picogram
Please provide values below to convert pound (troy or apothecary) [lb t] to picogram [pg], or Convert picogram to pound (troy or apothecary).
How to Convert Pound (Troy Or Apothecary) to Picogram
1 lb t = 373241721600000 pg
Example: convert 15 lb t to pg:
15 lb t = 15 × 373241721600000 pg = 5.598625824e+15 pg
Pound (Troy Or Apothecary) to Picogram Conversion Table
| pound (troy or apothecary) | picogram |
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Pound (Troy Or Apothecary)
A pound (troy or apothecary) is a unit of weight used primarily for precious metals and gemstones, equivalent to 12 ounces or approximately 373 grams.
History/Origin
The troy pound originated in the medieval French town of Troyes, historically used in the trade of precious metals and gemstones. The apothecary pound was used in pharmacy for weighing medicines and ingredients. Both units have roots in medieval European systems of measurement.
Current Use
The troy pound is still used in the precious metals industry, especially for gold, silver, and gemstones. The apothecary pound is largely obsolete but may still be referenced in historical contexts or traditional practices.
Picogram
A picogram (pg) is a unit of mass equal to one trillionth (10^-12) of a gram.
History/Origin
The picogram was introduced as part of the metric system to measure extremely small masses, especially in scientific and laboratory contexts, as a subdivision of the gram in the SI unit system.
Current Use
Picograms are used in scientific fields such as biology, chemistry, and physics to measure very small quantities of substances, including DNA, proteins, and other microscopic materials.