Convert from atomic units of length to light years

Conversion Information

To convert from atomic units of length to light years, multiply by 5.5934082e-27

1 a.u. of length = 5.5934082e-27 l. y.

Converter

About the Units

atomic unit of length (a.u. of length)

A reference unit of length used in quantum mechanics and atomic physics.

light year (l. y.)

The distance light travels in one year, used for astronomical measurements.

Learn more about light years

Common Conversions

  • 1 a.u. of length = 5.5934082e-27 l. y.
  • 1.7878188e26 a.u. of length = 1 l. y.