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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.
A turn is a unit of plane angle measurement equal to 2π radians, 360 degrees or 400 gradians. A turn is also referred to as a revolution or complete rotation or full circle or c ..more definition+
In relation to the base unit of [angle] => (radians), 1 Arcseconds (arcsec) is equal to 4.848137E-6 radians, while 1 Turns (t) = 6.28319 radians.| 666000 Arcseconds | to common angle units |
|---|---|
| 666000 arcsec | = 3.228859242 radians (rad) |
| 666000 arcsec | = 3228.859242 milliradians (mrad/mil) |
| 666000 arcsec | = 3288.8880262552 angular mils (µ mil) |
| 666000 arcsec | = 184.99999999387 degrees (°deg) |
| 666000 arcsec | = 205.5555670713 gradians (grad) |
| 666000 arcsec | = 11100.008394984 arcminutes (arcmin) |
| 666000 arcsec | = 666000 arcseconds (arcsec) |
| 666000 arcsec | = 3.0833321320323 sextants (60°) |
| 666000 arcsec | = 6.166652486631 signs (30°) |
| 666000 arcsec | = 0.51388852509633 turns (t) |