Convert mile to light year
Please provide values below to convert mile [mi, mi(Int)] to light year [ly], or Convert light year to mile.
How to Convert Mile to Light Year
1 mi, mi(Int) = 1.70107795023265e-13 ly
Example: convert 15 mi, mi(Int) to ly:
15 mi, mi(Int) = 15 × 1.70107795023265e-13 ly = 2.55161692534898e-12 ly
Mile to Light Year Conversion Table
| mile | light year |
|---|
Mile
A mile is a unit of length in the imperial and US customary systems of measurement. The international mile is defined as exactly 1,609.344 meters.
History/Origin
The word "mile" comes from the Latin "mille passus," meaning "a thousand paces." The Roman mile spread throughout their empire. The English statute mile was established by an Act of Parliament in 1592.
Current Use
The mile is used for measuring distances on roads in the United States and the United Kingdom. It is also used in horse racing.
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.