Convert Parsec to Light-year
1 parsec = 3.2615638 light-years (pc to ly).
The parsec (pc) and the light-year (ly) both measure length. A parsec is larger than a light-year — one parsec contains 3.26156 light-years. Going the other way, one light-year is 0.306601 parsecs. The converter above does this in real time, and the reference chart lists the values that come up most often.
1 pc = 3.2615638 ly
How to convert Parsecs to Light-years
Multiply the parsec value by 3.26156 to get light-years.
Example: 10 parsecs = 32.6156 light-years.
Parsec to Light-year Conversion Chart
| Parsecs | Light-years |
|---|---|
| 1 pc | 3.2615638 ly |
| 2 pc | 6.5231276 ly |
| 3 pc | 9.7846913 ly |
| 5 pc | 16.307819 ly |
| 10 pc | 32.615638 ly |
| 20 pc | 65.231276 ly |
| 25 pc | 81.539094 ly |
| 50 pc | 163.07819 ly |
| 100 pc | 326.15638 ly |
| 1000 pc | 3,261.5638 ly |
Frequently Asked Questions
- How many light-years are in a parsec?
- There are 3.2615638 light-years in 1 parsec.
- How do you convert parsecs to light-years?
- Multiply the parsec value by 3.26156 to get light-years.
- What is 5 parsecs in light-years?
- 5 parsecs equals 16.307819 light-years.
- What is 100 parsecs in light-years?
- 100 parsecs equals 326.15638 light-years.
- What is 1 light-year in parsecs?
- 1 light-year equals 0.30660139 parsecs.
- Is this parsec to light-year converter free?
- Yes. The converter is free, needs no sign-up, and runs entirely in your browser — the values you enter never leave your device.
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