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astronomical unit
Symbol:  AU, UA 
Category:  Length 
SI Equivalent:  1.49598×1011 m
Dimension
 
Notes
Equal to the mean distance between the earth and the sun, this unit of length is usually employed in astronomy for describing planetary distances. It was adopted by the International Astronomical Union in 1964.
Convert     AU, UA  
95 conversions, showing those commonly used | Show all
1 AU, UA =
Length
  Symbol Unit Name
1.49598×1021  Å  angstrom 
1.49598×1029  am  attometer 
1.49598×1013  cm  centimeter 
4.90807×1011  ft  foot 
1.49598×109  hm  hectometer 
5.88968×1012  in  inch 
1.49598×108  km  kilometer 
1.58128×10-5  ly  light-year 
1.49598×1011  m  meter 
5.88968×1018  µin  microinch 
1.49598×1017  µm  micron 
5.88968×1015  mil, thou  mil (thou) 
9.29558×107  mi (stat.)  mile (statute, land) 
1.49598×1014  mm  millimeter 
1.49598×1020  nm  nanometer 
8.07764×107  mi (int. naut.)  nautical mile (international) 
4.84814×10-6  pc  parsec 
1.49598×1023  pm  picometer 
1.63602×1011  yd  yard 
more...
Glossary