Parsecs to light-years
Type a value in pc to get it in ly instantly.
3.262ly
That's 1,250× as far as Voyager 1, while Proxima Centauri is 1.3× further. Light takes about 3.262 years to cross it.
Convert the other way: ly to pc
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 pc to ly
To convert parsecs to light-years, multiply by 3.26156.
Example: 1 pc × 3.26156 = 3.26156 ly.
In the other direction, 1 ly = 0.306601 pc.
Every unit
Your distance in every unit
Tables
pc to ly conversion table
| pc | ly |
|---|---|
| 0.1 pc | 0.326156 ly |
| 0.5 pc | 1.63078 ly |
| 1 pc | 3.26156 ly |
| 2 pc | 6.52313 ly |
| 5 pc | 16.3078 ly |
| 10 pc | 32.6156 ly |
| 25 pc | 81.5391 ly |
| 50 pc | 163.078 ly |
| 100 pc | 326.156 ly |
| 500 pc | 1,630.78 ly |
| 1,000 pc | 3,261.56 ly |
ly to pc conversion table
| ly | pc |
|---|---|
| 0.1 ly | 0.0306601 pc |
| 0.5 ly | 0.153301 pc |
| 1 ly | 0.306601 pc |
| 2 ly | 0.613203 pc |
| 5 ly | 1.53301 pc |
| 10 ly | 3.06601 pc |
| 25 ly | 7.66503 pc |
| 50 ly | 15.3301 pc |
| 100 ly | 30.6601 pc |
| 500 ly | 153.301 pc |
| 1,000 ly | 306.601 pc |
Quick answers
Quick answers
- How many ly is 1 pc?
- 1 pc is 3.26156 ly.
- How many ly is 10 pc?
- 10 pc is 32.6156 ly.
The units
About these units
Parsecs (pc)
3.26 light-years, the distance at which Earth’s orbit spans one arcsecond.
Light-years (ly)
How far light travels in a Julian year: 9.46 trillion kilometers.
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