Convert Earth's mass to pound (troy or apothecary)
Please provide values below to convert Earth's mass [M_earth] to pound (troy or apothecary) [lb t], or Convert pound (troy or apothecary) to Earth's mass.
How to Convert Earth's Mass to Pound (Troy Or Apothecary)
1 M_earth = 1.60003548756539e+25 lb t
Example: convert 15 M_earth to lb t:
15 M_earth = 15 × 1.60003548756539e+25 lb t = 2.40005323134808e+26 lb t
Earth's Mass to Pound (Troy Or Apothecary) Conversion Table
| Earth's mass | pound (troy or apothecary) |
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Earth's Mass
Earth's mass (M_earth) is a unit of mass representing the mass of the Earth, approximately 5.972 × 10^24 kilograms.
History/Origin
The concept of Earth's mass as a unit originated from scientific measurements of Earth's size and gravitational influence, becoming a standard reference in geophysics and astronomy.
Current Use
M_earth is used in scientific contexts to express planetary and astronomical masses, and in some cases, to compare the mass of other celestial bodies relative to Earth.
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.