Astronomical unit

An astronomical unit (abbreviatit as au;[1] ither abbreviations that are sometimes uised include ㍳, a.u. an ua[2]) is a unit o length nou defined as exactly 149597870700 m (92,955,807.3 mi),[3] or roughly the average YirdSun distance.

astronomical unit
Unit seestemAstronomical seestem o units
(Acceptit for uise wi the SI)
Unit olength
Seembolau or ua 
Unit conversions
1 au or ua in ...... is equal tae ...
   km   149.6×106
   mi   92.956×106
   pc   4.8481×10−6
   ly   15.813×10−6

References