Convert pound (troy or apothecary) to nanogram
Please provide values below to convert pound (troy or apothecary) [lb t] to nanogram [ng], or Convert nanogram to pound (troy or apothecary).
How to Convert Pound (Troy Or Apothecary) to Nanogram
1 lb t = 373241721600 ng
Example: convert 15 lb t to ng:
15 lb t = 15 × 373241721600 ng = 5598625824000 ng
Pound (Troy Or Apothecary) to Nanogram Conversion Table
| pound (troy or apothecary) | nanogram |
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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.
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.