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square arcminute
Symbol:  sq ' 
Category:  Solid angle 
SI Equivalent:  8.46159×10-8 sr
Dimension W 
 
Notes
1 square arcminute = (p/5400)*sin(p/21600) steradians ~ 1/3600 square degrees
Convert     sq '  
1 sq ' =
Solid angle
  Symbol Unit Name
6.73352×10-9  sp  spat 
3600  sq "  square arcsec 
2.77781×10-4  sq °  square degree 
8.46159×10-8  sr  steradian 
Glossary