Convert Light Years (light-year) to Astronomic Unit (AU) instantly — type a value in either field and the other updates automatically.

Light Years (light-year)

Astronomic Unit (AU)

Astronomic Unit = Light Years × 63241.077088

Light Years = Astronomic Unit × 0.000016

Need more than one value at a time? See the Light Years to Astronomic Unit conversion table — every whole Light Years from 1 to 200, then round numbers up to 10,000, printable too.