Convert nanogram to quarter (US)
Please provide values below to convert nanogram [ng] to quarter (US) [qr (US)], or Convert quarter (US) to nanogram.
How to Convert Nanogram to Quarter (Us)
1 ng = 8.8184904873951e-14 qr (US)
Example: convert 15 ng to qr (US):
15 ng = 15 × 8.8184904873951e-14 qr (US) = 1.32277357310927e-12 qr (US)
Nanogram to Quarter (Us) Conversion Table
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Nanogram
A nanogram (ng) is a unit of mass equal to one billionth (10^-9) of a gram.
History/Origin
The nanogram was introduced as part of the metric system to measure extremely small quantities, especially in scientific and medical fields, as the need for precise measurement of tiny masses grew with technological advancements.
Current Use
Nanograms are commonly used in scientific research, pharmaceuticals, and environmental testing to measure very small amounts of substances accurately.
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.