Convert grain to quarter (US)
Please provide values below to convert grain [gr] to quarter (US) [qr (US)], or Convert quarter (US) to grain.
How to Convert Grain to Quarter (Us)
1 gr = 5.71428571428571e-06 qr (US)
Example: convert 15 gr to qr (US):
15 gr = 15 × 5.71428571428571e-06 qr (US) = 8.57142857142857e-05 qr (US)
Grain to Quarter (Us) Conversion Table
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Grain
A grain is a unit of mass traditionally used to measure small quantities, primarily in the context of precious metals, pharmaceuticals, and firearms.
History/Origin
The grain dates back to ancient times and was originally based on the weight of a single seed of a cereal grain, such as barley. It has been used since the Middle Ages and was standardized in the apothecaries' system.
Current Use
Today, the grain is mainly used in the measurement of bullets, gunpowder, and precious metals, and is recognized as a unit of mass in the apothecaries' system, although it has largely been replaced by grams in most contexts.
Quarter (Us)
A quarter (US) is a unit of weight equal to one-fourth of a pound, commonly used in measuring precious metals and other small quantities.
History/Origin
The quarter originated from the traditional British weight system and was adopted in the United States as a subdivision of the pound. It has historically been used in commerce and trade for precise measurements.
Current Use
Today, the quarter is primarily used in the United States for measuring precious metals, jewelry, and small quantities of certain commodities. It is part of the customary units in the 'Weight and Mass' category within common converters.