Convert from kilometers to astronomical units

Conversion Information

To convert from kilometers to astronomical units, multiply by 6.6845858e-9

1 km = 6.6845858e-9 ua

Converter

About the Units

kilometer (km)

A standard length unit equal to 1000 meters, commonly used for distances.

Learn more about kilometers

astronomical unit (ua)

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

Learn more about astronomical units

Common Conversions

  • 1 km = 6.6845858e-9 ua
  • 149597900.0 km = 1 ua