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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 Hour Angles (HA) is equal to 0.26179938779 radians, while 1 Second Of Arc (SOA) = 4.848137E-6 radians.| 6573229640 Hour Angles | to common angle units |
|---|---|
| 6573229640 HA | = 1720867495.5551 radians (rad) |
| 6573229640 HA | = 1720867495555.1 milliradians (mrad/mil) |
| 6573229640 HA | = 1752860709219.8 angular mils (µ mil) |
| 6573229640 HA | = 98598440751.462 degrees (°deg) |
| 6573229640 HA | = 109553829198.29 gradians (grad) |
| 6573229640 HA | = 5915910919512.3 arcminutes (arcmin) |
| 6573229640 HA | = 3.5495438671702E+14 arcseconds (arcsec) |
| 6573229640 HA | = 1643306705.6613 sextants (60°) |
| 6573229640 HA | = 3286607134.368 signs (30°) |
| 6573229640 HA | = 273884363.76348 turns (t) |