Convert Earth's polar radius to vara castellana
Please provide values below to convert Earth's polar radius [R_p] to vara castellana [vara castellana], or Convert vara castellana to Earth's polar radius.
How to Convert Earth's Polar Radius to Vara Castellana
1 R_p = 7611491.44107899 vara castellana
Example: convert 15 R_p to vara castellana:
15 R_p = 15 × 7611491.44107899 vara castellana = 114172371.616185 vara castellana
Earth's Polar Radius to Vara Castellana Conversion Table
| Earth's polar radius | vara castellana |
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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.
Vara Castellana
The Castilian vara is an old Spanish unit of length, approximately 83.59 centimeters.
History/Origin
The vara was a common unit of length in Spain. The Castilian vara was the standard vara of the Kingdom of Castile.
Current Use
The Castilian vara is an obsolete unit of measurement.