Convert from astronomical units to atomic units of length

Conversion Information

To convert from astronomical units to atomic units of length, multiply by 2.8269906e21

1 ua = 2.8269906e21 a.u. of length

Converter

About the Units

astronomical unit (ua)

The average distance between the Earth and the Sun, used in astronomical measurements.

Learn more about astronomical units

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

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

Common Conversions

  • 1 ua = 2.8269906e21 a.u. of length
  • 3.5373306e-22 ua = 1 a.u. of length