Light Years to Parsecs Converter

Convert light years to parsecs with accurate formulas, examples and conversion tables.

Length conversion

Calculator

Results update instantly. Use Calculate to confirm the current conversion.

Decimals and negative values are supported.

Result

0.30660139 pc

1 ly ≈ 0.30660139 pc

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Conversion table

Common light years to parsecs values, generated from the selected units.

light years (ly)parsecs (pc)
1 light year0.30660139 parsecs
5 light years1.53300697 parsecs
10 light years3.06601394 parsecs
20 light years6.13202788 parsecs
50 light years15.33006969 parsecs
100 light years30.66013938 parsecs

Conversion Formula

Divide the value in light years by 3.261563777167 to get parsecs.

Formulapc = ly ÷ 3.261563777167

Example

Convert 1 light year to parsecs:

1 ÷ 3.261563777167= 0.30660139 pc

Unit information

Concise reference information for the selected source and target units.

Light year (ly)

Scientific
1 ly = 9.460730472581e15 m
Definition
A light year is the distance light travels in vacuum during one Julian year.
Usage
Used to describe distances between stars and other objects beyond the solar system.

Parsec (pc)

Scientific
1 pc = 3.085677581491e16 m
Definition
One parsec is approximately 3.0857 × 10¹⁶ meters.
Usage
Used by astronomers for stellar and galactic distances.

Frequently asked questions

How many parsecs are in 1 light year?

1 light year equals 0.306601393786 parsecs.

How do you convert light years to parsecs?

Divide the value in light years by 3.261563777167 to get parsecs. The formula is pc = ly ÷ 3.261563777167.

What is 10 light years in parsecs?

10 light years is approximately 3.06601394 parsecs.