Astronomical unit

The astronomical unit (a.u.) is the semi-major axis of the Earth's orbit around the Sun,
about 149 598 000 000 m.

1 a.u. = 149 598 x 10 m

1 a.u. = 149 598 x 10 km

1 a.u. = 149.598 x 10 km

1 a.u. = 1.49598 x 10 km

1 a.u. = 0.149598 x 10 km