Convert mil to Earth's equatorial radius
Please provide values below to convert mil [mil, thou] to Earth's equatorial radius [R_e], or Convert Earth's equatorial radius to mil.
How to Convert Mil to Earth's Equatorial Radius
1 mil, thou = 3.98235409493399e-12 R_e
Example: convert 15 mil, thou to R_e:
15 mil, thou = 15 × 3.98235409493399e-12 R_e = 5.97353114240099e-11 R_e
Mil to Earth's Equatorial Radius Conversion Table
| mil | Earth's equatorial radius |
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Mil
A mil, also known as a thou, is a unit of length equal to one-thousandth of an inch.
History/Origin
The mil was introduced in the 19th century as a convenient unit for fine measurements in engineering and manufacturing.
Current Use
The mil is still used in some manufacturing and engineering contexts, particularly in the United States, for specifying the thickness of materials like paper and wire.
Earth's Equatorial Radius
The Earth's equatorial radius is the distance from the center of the Earth to the equator, approximately 6,378.1 kilometers.
History/Origin
The size and shape of the Earth have been a subject of study since ancient times. Modern measurements are made using satellite geodesy.
Current Use
The Earth's equatorial radius is a fundamental parameter in geodesy, geophysics, and astronomy. It is used in cartography and for defining the shape of the Earth.