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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.| 900 Arcseconds | to common angle units |
|---|---|
| 900 arcsec | = 0.0043633233 radians (rad) |
| 900 arcsec | = 4.3633233 milliradians (mrad/mil) |
| 900 arcsec | = 4.4444432787233 angular mils (µ mil) |
| 900 arcsec | = 0.24999999999172 degrees (°deg) |
| 900 arcsec | = 0.27777779333959 gradians (grad) |
| 900 arcsec | = 15.000011344572 arcminutes (arcmin) |
| 900 arcsec | = 900 arcseconds (arcsec) |
| 900 arcsec | = 0.0041666650432869 sextants (60°) |
| 900 arcsec | = 0.008333314171123 signs (30°) |
| 900 arcsec | = 0.00069444395283288 turns (t) |