Convert vara de tarea to Earth's polar radius
Please provide values below to convert vara de tarea [vara de tarea] to Earth's polar radius [R_p], or Convert Earth's polar radius to vara de tarea.
How to Convert Vara De Tarea to Earth's Polar Radius
1 vara de tarea = 3.9414088857922e-07 R_p
Example: convert 15 vara de tarea to R_p:
15 vara de tarea = 15 × 3.9414088857922e-07 R_p = 5.9121133286883e-06 R_p
Vara De Tarea to Earth's Polar Radius Conversion Table
| vara de tarea | Earth's polar 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 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.