📐 Parsecs to Light Years Converter

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1 parsec =
3.26156 light years
1 light year =
0.306601 parsecs
Formula
ly = pc × 3.26156
Handy values
5 pc = 16.3078 ly · 10 pc = 32.6156 ly · 100 pc = 326.156 ly

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⚡ Parsecs to Light Years: the quick answer

1 pc = 3.26156 ly 1 parsec equals 3.26156 light years

To convert parsecs to light years, multiply the value by 3.26156. To go the other way, multiply light years by 0.306601 to get parsecs.

↔ Convert light years to parsecs instead

🧮 Formula

Parsecs to Light Years
ly = pc × 3.26156
Light Years to Parsecs
pc = ly × 0.306601

Where

  • pc = the length in parsecs
  • ly = the length in light years
Every unit here is defined by its length in meters, so the conversion factor is (meters per parsec) ÷ (meters per light year).

📊 Parsecs to Light Years conversion table

Parsecs (pc)Light Years (ly)
1 pc3.26156 ly
2 pc6.52313 ly
3 pc9.78469 ly
4 pc13.0463 ly
5 pc16.3078 ly
6 pc19.5694 ly
7 pc22.8309 ly
8 pc26.0925 ly
9 pc29.3541 ly
10 pc32.6156 ly
12 pc39.1388 ly
14 pc45.6619 ly
15 pc48.9235 ly
20 pc65.2313 ly
21 pc68.4928 ly
24 pc78.2775 ly
25 pc81.5391 ly
30 pc97.8469 ly
40 pc130.463 ly
50 pc163.078 ly
60 pc195.694 ly
75 pc244.617 ly
80 pc260.925 ly
100 pc326.156 ly
200 pc652.313 ly
250 pc815.391 ly
300 pc978.469 ly
400 pc1,304.63 ly
500 pc1,630.78 ly
750 pc2,446.17 ly
1,000 pc3,261.56 ly

📘 About these units

Parsec (pc). A parsec is about 3.26 light years and is used by astronomers for distances between stars.

Light year (ly). A light year is the distance light travels in one year, about 9.46 trillion kilometers.

❓ Frequently asked questions

How many light years are in one parsec?

There are 3.26156 light years in one parsec.

How do I convert parsecs to light years?

Multiply the number of parsecs by 3.26156. For example, 10 parsecs equal 32.6156 light years.

How many parsecs are in one light year?

One light year equals 0.306601 parsecs.

How many light years is 12 parsecs?

39.1388 light years. Other common values: 5 parsecs = 16.3078 light years and 100 parsecs = 326.156 light years.

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