Convert ell to astronomical unit
Please provide values below to convert ell [ell] to astronomical unit [AU, UA], or Convert astronomical unit to ell.
How to Convert Ell to Astronomical Unit
1 ell = 7.64048308075283e-12 AU, UA
Example: convert 15 ell to AU, UA:
15 ell = 15 × 7.64048308075283e-12 AU, UA = 1.14607246211293e-10 AU, UA
Ell to Astronomical Unit Conversion Table
| ell | astronomical unit |
|---|
Ell
The ell is an obsolete unit of length, originally used for measuring cloth. Its length varied in different countries, but it was generally around 45 inches.
History/Origin
The word "ell" is derived from the Latin "ulna," meaning "forearm," as the unit was originally based on the length of the forearm.
Current Use
The ell is no longer in use.
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.