Home / Length Conversion / Convert light year [ly] to astronomical unit [AU, UA]
Convert light year [ly] to astronomical unit [AU, UA]
Please provide values below to Convert light year [ly] to astronomical unit [AU, UA], or vice versa.
What is a Light Year (ly)?
The light year is a unit of distance that represents how far light travels in one year in a vacuum. It is commonly used in astronomy to describe interstellar distances.
What is an Astronomical Unit?
An astronomical unit (AU) is the average Earth-Sun distance (∼149.6 million km). Primarily used for solar system measurements, such as planetary orbital distances.
light year [ly] to astronomical unit [AU, UA] Conversion Table
| light year [ly] | astronomical unit [AU, UA] |
|---|---|
| 0.01 light year [ly] | 632.410770843 astronomical unit [AU, UA] |
| 0.1 light year [ly] | 6324.10770843 astronomical unit [AU, UA] |
| 1 light year [ly] | 63241.0770843 astronomical unit [AU, UA] |
| 2 light year [ly] | 126482.154169 astronomical unit [AU, UA] |
| 3 light year [ly] | 189723.231253 astronomical unit [AU, UA] |
| 5 light year [ly] | 316205.385421 astronomical unit [AU, UA] |
| 10 light year [ly] | 632410.770843 astronomical unit [AU, UA] |
| 20 light year [ly] | 1264821.54169 astronomical unit [AU, UA] |
| 50 light year [ly] | 3162053.85421 astronomical unit [AU, UA] |
| 100 light year [ly] | 6324107.70843 astronomical unit [AU, UA] |
| 1000 light year [ly] | 63241077.0843 astronomical unit [AU, UA] |
How to Convert light year [ly] to astronomical unit [AU, UA]
1 light year [ly] = 63241.077084266 astronomical unit [AU, UA]
1 astronomical unit [AU, UA] = 1.5812507409821E-5 light year [ly]
Example: convert 15 light year [ly] to astronomical unit [AU, UA]:
15 × 63241.077084266 = 948616.15626399 astronomical unit [AU, UA]