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hour of arc
Symbol:   
Category:  Angle 
SI Equivalent:  0.261799 rad
Dimension a 
 
Notes
Unit of plane angle used in aeronautical navigation.
1 hour of angle= 2p/24 rad
 = 15°
Convert     hour of arc  
1 hour of arc =
Angle
  Symbol Unit Name
900  '  arc minute (minute of arc) 
5.4×104  "  arc second (second of arc) 
4.16667×10-2    circumference 
15  °  degree 
16.6667  gr  gon 
16.6667  gr  grade 
261.799  mrad  milliradian 
26.1808  %  percent 
0.166667    quadrant (angle) 
0.261799  rad  radian 
4.16667×10-2  rev  revolution 
0.5    sign 
Glossary