Convert quarter (US) to petagram
Please provide values below to convert quarter (US) [qr (US)] to petagram [Pg], or Convert petagram to quarter (US).
How to Convert Quarter (Us) to Petagram
1 qr (US) = 1.133980925e-11 Pg
Example: convert 15 qr (US) to Pg:
15 qr (US) = 15 × 1.133980925e-11 Pg = 1.7009713875e-10 Pg
Quarter (Us) to Petagram Conversion Table
| quarter (US) | petagram |
|---|
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.
Petagram
A petagram (Pg) is a unit of mass equal to 10^15 grams or one quadrillion grams.
History/Origin
The petagram was introduced as part of the metric system's prefixes to represent extremely large masses, following the adoption of the International System of Units (SI). It is derived from the prefix 'peta-' which denotes 10^15.
Current Use
The petagram is primarily used in scientific contexts to quantify very large masses, such as in astronomy and geology, but is rarely used in everyday measurements.