Convert Roman actus to Earth's polar radius
Please provide values below to convert Roman actus [actus] to Earth's polar radius [R_p], or Convert Earth's polar radius to Roman actus.
How to Convert Roman Actus to Earth's Polar Radius
1 actus = 5.58126513754516e-06 R_p
Example: convert 15 actus to R_p:
15 actus = 15 × 5.58126513754516e-06 R_p = 8.37189770631774e-05 R_p
Roman Actus to Earth's Polar Radius Conversion Table
| Roman actus | Earth's polar radius |
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Roman Actus
The Roman actus was a unit of length equal to 120 Roman feet, about 35.5 meters.
History/Origin
The actus was a standard unit of land measurement in the Roman Empire.
Current Use
The Roman actus 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.