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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.30 Arcseconds | to common angle units |
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30 arcsec | = 0.00014544411 radians (rad) |
30 arcsec | = 0.14544411 milliradians (mrad/mil) |
30 arcsec | = 0.14814810929078 angular mils (µ mil) |
30 arcsec | = 0.0083333333330574 degrees (°deg) |
30 arcsec | = 0.0092592597779865 gradians (grad) |
30 arcsec | = 0.50000037815242 arcminutes (arcmin) |
30 arcsec | = 30 arcseconds (arcsec) |
30 arcsec | = 0.00013888883477623 sextants (60°) |
30 arcsec | = 0.00027777713903743 signs (30°) |
30 arcsec | = 2.3148131761096E-5 turns (t) |