Light Year to Astronomical Unit Converter
Quick Answer
1 ly = 63241.1 AU
Formula: Astronomical Unit = Light Year x 63241.1
Formula verifiedLive calculation
To (Astronomical Unit)
AU
Light Year to Astronomical Unit Conversion Table
| Light Year (ly) | Astronomical Unit (AU) |
|---|---|
| 1 | 63241.1 |
| 2 | 126482 |
| 3 | 189723 |
| 4 | 252964 |
| 5 | 316206 |
| 6 | 379447 |
| 7 | 442688 |
| 8 | 505929 |
| 9 | 569170 |
| 10 | 632411 |
Convert Light Year to Other Astronomy Units
Frequently Asked Questions
How do you convert Light Year to Astronomical Unit?
Use the formula Astronomical Unit = Light Year x 63241.1. For example: 1 ly = 63241.1 AU. Our calculator handles this automatically.
How many Astronomical Units in a Light Year?
1 ly = 63241.1 AU.
Why would I need to convert Light Year to Astronomical Unit?
Converting Light Year to Astronomical Unit is useful for scientific calculations, engineering projects, international trade, and everyday measurements where different unit systems are used.
Astronomy reference calculator
Reference factors
63241.1
AU per ly
1.5813e-5
ly per AU
Contents
Formula audit
Astronomical Unit = Light Year x 63241.1
1 ly = 63241.1 AU
Results use the shared conversion engine and retain the full conversion rule before display formatting.
Unit reference
CategoryAstronomy
Input unitLight Year (ly)
Output unitAstronomical Unit (AU)