Convert Roman actus to astronomical unit
Please provide values below to convert Roman actus [actus] to astronomical unit [AU, UA], or Convert astronomical unit to Roman actus.
How to Convert Roman Actus to Astronomical Unit
1 actus = 2.37160594826568e-10 AU, UA
Example: convert 15 actus to AU, UA:
15 actus = 15 × 2.37160594826568e-10 AU, UA = 3.55740892239852e-09 AU, UA
Roman Actus to Astronomical Unit Conversion Table
| Roman actus | astronomical unit |
|---|
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.
Astronomical Unit
The astronomical unit is a unit of length, now defined as exactly 149,597,870,700 meters. It is approximately the average distance between the Earth and the Sun.
History/Origin
Historically, the astronomical unit was the mean Earth-Sun distance. In 2012, the International Astronomical Union (IAU) redefined it as a fixed constant.
Current Use
The astronomical unit is used primarily for measuring distances within the Solar System or around other stars.