Convert Earth's polar radius to mil
Please provide values below to convert Earth's polar radius [R_p] to mil [mil, thou], or Convert mil to Earth's polar radius.
How to Convert Earth's Polar Radius to Mil
1 R_p = 250265838582.677 mil, thou
Example: convert 15 R_p to mil, thou:
15 R_p = 15 × 250265838582.677 mil, thou = 3753987578740.16 mil, thou
Earth's Polar Radius to Mil Conversion Table
| Earth's polar radius | mil |
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Earth's Polar Radius
The Earth's polar radius is the distance from the center of the Earth to the North or South Pole, approximately 6,356.8 kilometers.
History/Origin
The fact that the Earth is an oblate spheroid, flattened at the poles, has been known since the 18th century. Modern measurements are made with high precision.
Current Use
The Earth's polar radius is a key parameter in geodesy and is used to define the Earth's shape and gravitational field.
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.