Convert Earth's polar radius to handbreadth
Please provide values below to convert Earth's polar radius [R_p] to handbreadth [handbreadth], or Convert handbreadth to Earth's polar radius.
How to Convert Earth's Polar Radius to Handbreadth
1 R_p = 83421946.1942257 handbreadth
Example: convert 15 R_p to handbreadth:
15 R_p = 15 × 83421946.1942257 handbreadth = 1251329192.91339 handbreadth
Earth's Polar Radius to Handbreadth Conversion Table
| Earth's polar radius | handbreadth |
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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.
Handbreadth
A handbreadth is an ancient unit of length, based on the width of the hand at the knuckles, excluding the thumb. It is typically about 3 inches.
History/Origin
The handbreadth has been used as a unit of measurement in many cultures throughout history.
Current Use
The handbreadth is an obsolete unit of measurement.