Parsecs to Light-Years

1 pc = 3.261564 ly

How to convert parsecs to light-years

ly = pc × 3.261564

Example: 5 pc = 16.30782 ly

Parsecs to Light-Years conversion table

Parsecs (pc)Light-Years (ly)
1 pc3.261564 ly
2 pc6.523128 ly
3 pc9.784691 ly
4 pc13.04626 ly
5 pc16.30782 ly
6 pc19.56938 ly
7 pc22.83095 ly
8 pc26.09251 ly
9 pc29.35407 ly
10 pc32.61564 ly
15 pc48.92346 ly
20 pc65.23128 ly
25 pc81.53909 ly
30 pc97.84691 ly
40 pc130.4626 ly
50 pc163.0782 ly
75 pc244.6173 ly
100 pc326.1564 ly
250 pc815.3909 ly
500 pc1,630.782 ly
1,000 pc3,261.564 ly

About the units

Parsecs: The parsec is about 3.26 light-years, the distance at which 1 astronomical unit subtends one arcsecond.

Light-Years: A light-year is the distance light travels in one Julian year, about 9.46 trillion kilometers.

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Frequently asked questions

How many light-years are in 1 parsec?

1 parsec equals 3.261564 light-years.

How many parsecs are in 1 light-year?

1 light-year equals 0.3066014 parsecs.

How do I convert parsecs to light-years?

Use the formula ly = pc × 3.261564.

What is 10 parsecs in light-years?

10 parsecs equals 32.61564 light-years.

Related conversions

Sources

Conversion factors use the exact definitions published by NIST and the BIPM, and are checked by automated tests against those definitions.

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