Convert pound (troy or apothecary) to stone (US)
Please provide values below to convert pound (troy or apothecary) [lb t] to stone (US) [st (US)], or Convert stone (US) to pound (troy or apothecary).
How to Convert Pound (Troy Or Apothecary) to Stone (Us)
1 lb t = 0.0587755102040816 st (US)
Example: convert 15 lb t to st (US):
15 lb t = 15 × 0.0587755102040816 st (US) = 0.881632653061224 st (US)
Pound (Troy Or Apothecary) to Stone (Us) Conversion Table
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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.
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.