Light-years to parallax in milliarcseconds
Type a value in ly to get it in mas instantly.
3,261.564mas
That's 383× as far as Voyager 1, while Proxima Centauri is 4.2× further. Light takes about 1 years to cross it.
Convert the other way: mas to ly
What it means
How far is that?
One astronomical unit is defined as exactly 149,597,870,700 m, and a light-year uses the Julian year of 365.25 days.
The math
How to convert ly to mas
Example: 1 ly = 3,261.56 mas.
Every unit
Your distance in every unit
Tables
ly to mas conversion table
| ly | mas |
|---|---|
| 0.1 ly | 32,615.6 mas |
| 0.5 ly | 6,523.13 mas |
| 1 ly | 3,261.56 mas |
| 2 ly | 1,630.78 mas |
| 5 ly | 652.313 mas |
| 10 ly | 326.156 mas |
| 25 ly | 130.463 mas |
| 50 ly | 65.2313 mas |
| 100 ly | 32.6156 mas |
| 500 ly | 6.52313 mas |
| 1,000 ly | 3.26156 mas |
mas to ly conversion table
| mas | ly |
|---|---|
| 0.1 mas | 32,615.6 ly |
| 0.5 mas | 6,523.13 ly |
| 1 mas | 3,261.56 ly |
| 2 mas | 1,630.78 ly |
| 5 mas | 652.313 ly |
| 10 mas | 326.156 ly |
| 25 mas | 130.463 ly |
| 50 mas | 65.2313 ly |
| 100 mas | 32.6156 ly |
| 500 mas | 6.52313 ly |
| 1,000 mas | 3.26156 ly |
Quick answers
Quick answers
- How many mas is 1 ly?
- 1 ly is 3,261.56 mas.
- How many mas is 10 ly?
- 10 ly is 326.156 mas.
The units
About these units
Light-years (ly)
How far light travels in a Julian year: 9.46 trillion kilometers.
Parallax in milliarcseconds (mas)
The unit of the Gaia star catalogue: a thousandth of an arcsecond of parallax.
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