Convert dalton to quarter (US)
Please provide values below to convert dalton [Da] to quarter (US) [qr (US)], or Convert quarter (US) to dalton.
How to Convert Dalton to Quarter (Us)
1 Da = 1.464344796276e-28 qr (US)
Example: convert 15 Da to qr (US):
15 Da = 15 × 1.464344796276e-28 qr (US) = 2.19651719441401e-27 qr (US)
Dalton to Quarter (Us) Conversion Table
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Dalton
The dalton (Da) is a unit of mass used to express atomic and molecular weights, equivalent to one atomic mass unit (amu).
History/Origin
The dalton was named after John Dalton, who developed early atomic theory in the early 19th century. It has been widely used in chemistry and biochemistry to measure atomic and molecular masses.
Current Use
The dalton is commonly used in scientific contexts to specify the mass of atoms, molecules, and subatomic particles, facilitating precise communication in chemistry, biochemistry, and molecular biology.
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.