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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 Hexacontades (hc) = 0.10471975512 radians.| 12 Arcseconds | to common angle units |
|---|---|
| 12 arcsec | = 5.8177644E-5 radians (rad) |
| 12 arcsec | = 0.058177644 milliradians (mrad/mil) |
| 12 arcsec | = 0.05925924371631 angular mils (µ mil) |
| 12 arcsec | = 0.0033333333332229 degrees (°deg) |
| 12 arcsec | = 0.0037037039111946 gradians (grad) |
| 12 arcsec | = 0.20000015126097 arcminutes (arcmin) |
| 12 arcsec | = 12 arcseconds (arcsec) |
| 12 arcsec | = 5.5555533910493E-5 sextants (60°) |
| 12 arcsec | = 0.00011111085561497 signs (30°) |
| 12 arcsec | = 9.2592527044384E-6 turns (t) |