Convert petameter to ell
Please provide values below to convert petameter [Pm] to ell [ell], or Convert ell to petameter.
How to Convert Petameter to Ell
1 Pm = 874890638670166 ell
Example: convert 15 Pm to ell:
15 Pm = 15 × 874890638670166 ell = 1.31233595800525e+16 ell
Petameter to Ell Conversion Table
| petameter | ell |
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Petameter
A petameter is a unit of length in the metric system equal to 10^15 meters.
History/Origin
The prefix "peta-" for 10^15 was adopted by the CGPM (General Conference on Weights and Measures) in 1975.
Current Use
The petameter is used for measuring distances on a galactic scale, such as the size of the Milky Way galaxy.
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.