Convert scruple (apothecary) to stone (US)
Please provide values below to convert scruple (apothecary) [s.ap] to stone (US) [st (US)], or Convert stone (US) to scruple (apothecary).
How to Convert Scruple (Apothecary) to Stone (Us)
1 s.ap = 0.000204081632653061 st (US)
Example: convert 15 s.ap to st (US):
15 s.ap = 15 × 0.000204081632653061 st (US) = 0.00306122448979592 st (US)
Scruple (Apothecary) to Stone (Us) 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.
Stone (Us)
A stone (st) is a unit of weight primarily used in the United States, equal to 14 pounds or approximately 6.35 kilograms.
History/Origin
The stone has origins in medieval England, where it was used as a convenient weight measure for trade and commerce. Its value varied regionally before standardization, and it has been used historically for measuring human body weight and other goods.
Current Use
Today, the stone is mainly used in the UK and Ireland for body weight measurement, while in the United States, it is rarely used and often replaced by pounds or kilograms in most contexts.