Convert scruple (apothecary) to pennyweight
Please provide values below to convert scruple (apothecary) [s.ap] to pennyweight [pwt], or Convert pennyweight to scruple (apothecary).
How to Convert Scruple (Apothecary) to Pennyweight
1 s.ap = 0.833333333333333 pwt
Example: convert 15 s.ap to pwt:
15 s.ap = 15 × 0.833333333333333 pwt = 12.5 pwt
Scruple (Apothecary) to Pennyweight Conversion Table
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Scruple (Apothecary)
A scruple (s.ap) is an old unit of weight used in apothecary measurements, equivalent to 1.3 grains or approximately 1.3 grams.
History/Origin
The scruple originated in ancient Greece and was adopted into Roman and medieval European apothecary systems. It was historically used for measuring small quantities of medicinal substances and drugs.
Current Use
Today, the scruple is largely obsolete and replaced by metric units, but it is still referenced in historical contexts and traditional apothecary practices.
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.