Conversion guide

How to Convert light year to astronomical unit

A complete guide with formula, examples, chart, and instant calculator link.

1. Formula

1 light year [ly] = 63241.077084 astronomical unit [AU]

2. How it works

Enter your value in light year [ly], apply the formula, and read the result in astronomical unit [AU]. The calculator handles the arithmetic instantly.

3. Examples

1 light year [ly] = 63241.077084 astronomical unit [AU]

2 light year [ly] = 126482.154169 astronomical unit [AU]

5 light year [ly] = 316205.385421 astronomical unit [AU]

10 light year [ly] = 632410.770843 astronomical unit [AU]

20 light year [ly] = 1264821.541685 astronomical unit [AU]

Open calculator