Convert vara de tarea to Earth's equatorial radius
Please provide values below to convert vara de tarea [vara de tarea] to Earth's equatorial radius [R_e], or Convert Earth's equatorial radius to vara de tarea.
How to Convert Vara De Tarea to Earth's Equatorial Radius
1 vara de tarea = 3.92819407924289e-07 R_e
Example: convert 15 vara de tarea to R_e:
15 vara de tarea = 15 × 3.92819407924289e-07 R_e = 5.89229111886433e-06 R_e
Vara De Tarea to Earth's Equatorial Radius Conversion Table
| vara de tarea | Earth's equatorial radius |
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Vara De Tarea
A vara de tarea is an old Spanish unit of length, approximately 2.5 varas or about 2.09 meters.
History/Origin
The vara was a common unit of length in Spain and its colonies. The vara de tarea was a specific length used for agricultural tasks.
Current Use
The vara de tarea 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.