Astronomical Unit to Light Year Converter
1 au = 63240.873388 ly · exact factor
Quick conversions
Common conversions
| au | ly |
|---|---|
| 1 au | 0.0000 ly |
| 5 au | 0.0001 ly |
| 10 au | 0.0002 ly |
| 20 au | 0.0003 ly |
| 50 au | 0.0008 ly |
| 100 au | 0.0016 ly |
About this conversion
The astronomical unit (au) is a unit of length in the astronomical, commonly used for distances between planets and orbital radius of planets. The light-year (ly) belongs to the astronomical and is typically found in measurements related to distances to nearby stars and sizes of galaxies. By definition, one astronomical unit is approximately 149,597,870.7 km — the mean distance from Earth to the Sun. One light-year is the distance light travels in one Julian year in a vacuum, approximately 9.461 × 10¹⁵ meters. The conversion factor between these two units is 0.00001581255834134895: multiplying any value in au by this number gives the equivalent in ly. For example, 10 au equals 0.0002 ly. Going the other direction, 1 ly equals 63240.873388 au.
Examples
- →100000000 au to ly = 1581.2558 ly
- →100000000 au in ly is 1581.2558 ly
- →100000000 au equals 1581.2558 ly
- →Convert 100000000 au to ly: 1581.2558 ly
- →How much is 100000000 au in ly? 1581.2558 ly
- →What is 100000000 au in ly? 1581.2558 ly
- →100000000 au converted to ly is 1581.2558 ly
- →1581.2558 ly is equal to 100000000 au