1 AU = 0.00001581251 ly. Free Astronomical Unit to Light Year converter with the formula, a worked example and a table of common values.
1 AU = 0.00001581251 ly. To convert Astronomical Unit to Light Year, multiply by 0.00001581251.
To convert 5 AU to ly, multiply by 0.00001581251: 5 × 0.00001581251 = 0.00007906254 ly.
| AU | ly |
|---|---|
| 1 | 0.00001581251 |
| 2 | 0.00003162501 |
| 3 | 0.00004743752 |
| 4 | 0.00006325003 |
| 5 | 0.00007906254 |
| 6 | 0.00009487504 |
| 7 | 0.0001106876 |
| 8 | 0.0001265001 |
| 9 | 0.0001423126 |
| 10 | 0.0001581251 |
| 15 | 0.0002371876 |
| 20 | 0.0003162501 |
| 25 | 0.0003953127 |
| 30 | 0.0004743752 |
| 40 | 0.0006325003 |
| 50 | 0.0007906254 |
| 75 | 0.001185938 |
| 100 | 0.001581251 |
| 250 | 0.003953127 |
| 500 | 0.007906254 |
| 1,000 | 0.01581251 |
| ly | AU |
|---|---|
| 1 | 63,241.08 |
| 2 | 126,482.2 |
| 3 | 189,723.2 |
| 4 | 252,964.3 |
| 5 | 316,205.4 |
| 6 | 379,446.5 |
| 7 | 442,687.5 |
| 8 | 505,928.6 |
| 9 | 569,169.7 |
| 10 | 632,410.8 |
| 15 | 948,616.2 |
| 20 | 1,264,822 |
| 25 | 1,581,027 |
| 30 | 1,897,232 |
| 40 | 2,529,643 |
| 50 | 3,162,054 |
| 75 | 4,743,081 |
| 100 | 6,324,108 |
| 250 | 15,810,269 |
| 500 | 31,620,539 |
| 1,000 | 63,241,077 |