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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 Circles (o) = 6.28319 radians.| 9900 Arcseconds | to common angle units |
|---|---|
| 9900 arcsec | = 0.0479965563 radians (rad) |
| 9900 arcsec | = 47.9965563 milliradians (mrad/mil) |
| 9900 arcsec | = 48.888876065956 angular mils (µ mil) |
| 9900 arcsec | = 2.7499999999089 degrees (°deg) |
| 9900 arcsec | = 3.0555557267355 gradians (grad) |
| 9900 arcsec | = 165.0001247903 arcminutes (arcmin) |
| 9900 arcsec | = 9900 arcseconds (arcsec) |
| 9900 arcsec | = 0.045833315476156 sextants (60°) |
| 9900 arcsec | = 0.091666455882353 signs (30°) |
| 9900 arcsec | = 0.0076388834811616 turns (t) |