Light Years to AU Conversion Table

View a light year to astronomical unit conversion chart with common values, an accurate formula, and related length tables.

Conversion chart

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

light years (ly)astronomical units (AU)
1 light year63,241.07708427 astronomical units
2 light years126,482.15416853 astronomical units
5 light years316,205.38542133 astronomical units
10 light years632,410.77084266 astronomical units
15 light years948,616.15626399 astronomical units
20 light years1,264,821.54168533 astronomical units
25 light years1,581,026.92710666 astronomical units
30 light years1,897,232.31252799 astronomical units
40 light years2,529,643.08337065 astronomical units
50 light years3,162,053.85421331 astronomical units
75 light years4,743,080.78131997 astronomical units
100 light years6,324,107.70842663 astronomical units

Common values

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

light years (ly)astronomical units (AU)
1 light year63,241.07708427 astronomical units
5 light years316,205.38542133 astronomical units
10 light years632,410.77084266 astronomical units
20 light years1,264,821.54168533 astronomical units
50 light years3,162,053.85421331 astronomical units
100 light years6,324,107.70842663 astronomical units

Conversion Formula

Multiply the value in light years by 63241.07708426628 to get astronomical units.

FormulaAU = ly × 63241.07708426628

Example

Convert 10 light years to astronomical units:

10 × 63241.07708426628= 632,410.77084266 AU

Frequently asked questions

How many astronomical units are in 1 light year?

1 light year equals 63,241.07708426628 astronomical units.

How do you convert light years to astronomical units?

Multiply the value in light years by 63241.07708426628 to get astronomical units. The formula is AU = ly × 63241.07708426628.

What is 10 light years in astronomical units?

10 light years is approximately 632,410.77084266 astronomical units.