Convert perch to light year
Please provide values below to convert perch [perch] to light year [ly], or Convert light year to perch.
How to Convert Perch to Light Year
1 perch = 5.31586859447705e-16 ly
Example: convert 15 perch to ly:
15 perch = 15 × 5.31586859447705e-16 ly = 7.97380289171557e-15 ly
Perch to Light Year Conversion Table
| perch | light year |
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Perch
A perch is a unit of length equal to a rod, which is 16.5 feet.
History/Origin
The term "perch" has been used as a unit of measurement since medieval times and was often used interchangeably with "rod" and "pole."
Current Use
The perch is an obsolete unit of measurement.
Light Year
A light-year is the distance that light travels in a vacuum in one Julian year.
History/Origin
The concept of the light-year as a unit of distance in astronomy emerged in the mid-19th century. The first recorded use of the term was in a German astronomical publication in 1851.
Current Use
The light-year is used to express distances to stars and other astronomical objects on a galactic and intergalactic scale, especially in popular science and non-specialist contexts.