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A second of arc, or arcsecond (arsec) 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 Second Of Arc (SOA) is equal to 4.848137E-6 radians, while 1 Rotations (rot) = 6.28319 radians.| 4688643844 Second Of Arc | to common angle units |
|---|---|
| 4688643844 SOA | = 22731.187699919 radians (rad) |
| 4688643844 SOA | = 22731187.699919 milliradians (mrad/mil) |
| 4688643844 SOA | = 23153790.687548 angular mils (µ mil) |
| 4688643844 SOA | = 1302401.0677346 degrees (°deg) |
| 4688643844 SOA | = 1447112.3786018 gradians (grad) |
| 4688643844 SOA | = 78144123.1674 arcminutes (arcmin) |
| 4688643844 SOA | = 4688643844 arcseconds (arcsec) |
| 4688643844 SOA | = 21706.676005797 sextants (60°) |
| 4688643844 SOA | = 43413.269098393 signs (30°) |
| 4688643844 SOA | = 3617.7781827254 turns (t) |