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An arcsecond (arsec) or second of arc is 1/60 of an arcminute, 1/3600 of a degree, 1/1296000 of a turn, and π/648000 (about 1/206265) of a radian.
In relation to the base unit of [angle] => (radians), 1 Arcseconds (arcsec) is equal to 4.848137E-6 radians, while 1 Diameter Parts (Ø part) = 0.01666666666 radians.| 421600 Arcseconds | to common angle units |
|---|---|
| 421600 arcsec | = 2.0439745592 radians (rad) |
| 421600 arcsec | = 2043.9745592 milliradians (mrad/mil) |
| 421600 arcsec | = 2081.9747625664 angular mils (µ mil) |
| 421600 arcsec | = 117.11111110723 degrees (°deg) |
| 421600 arcsec | = 130.12346407997 gradians (grad) |
| 421600 arcsec | = 7026.6719809686 arcminutes (arcmin) |
| 421600 arcsec | = 421600 arcseconds (arcsec) |
| 421600 arcsec | = 1.9518510913886 sextants (60°) |
| 421600 arcsec | = 3.9036947272727 signs (30°) |
| 421600 arcsec | = 0.3253084116826 turns (t) |