Astronomical unit, Length
Astronomical unit (AU, au, a.u., ua) is a unit of distance used in astronomy that approximately defines distance between Sun and Earth. It's an approximate distance since distances between celestial bodies change from time to time due to their orbits.Read more
Earth is 1 ± 0.02AU from the Sun
1 AU = 149.60 × 109 metresList of all Astronomical unit to other length units individual converters.