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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.| 678000 Arcseconds | to common angle units |
|---|---|
| 678000 arcsec | = 3.287036886 radians (rad) |
| 678000 arcsec | = 3287.036886 milliradians (mrad/mil) |
| 678000 arcsec | = 3348.1472699715 angular mils (µ mil) |
| 678000 arcsec | = 188.3333333271 degrees (°deg) |
| 678000 arcsec | = 209.25927098249 gradians (grad) |
| 678000 arcsec | = 11300.008546245 arcminutes (arcmin) |
| 678000 arcsec | = 678000 arcseconds (arcsec) |
| 678000 arcsec | = 3.1388876659428 sextants (60°) |
| 678000 arcsec | = 6.277763342246 signs (30°) |
| 678000 arcsec | = 0.52314777780077 turns (t) |