Convert vara castellana to Earth's equatorial radius
Please provide values below to convert vara castellana [vara castellana] to Earth's equatorial radius [R_e], or Convert Earth's equatorial radius to vara castellana.
How to Convert Vara Castellana to Earth's Equatorial Radius
1 vara castellana = 1.3093980264143e-07 R_e
Example: convert 15 vara castellana to R_e:
15 vara castellana = 15 × 1.3093980264143e-07 R_e = 1.96409703962144e-06 R_e
Vara Castellana to Earth's Equatorial Radius Conversion Table
| vara castellana | Earth's equatorial radius |
|---|
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.
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.