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An arcminute (arcmin) or minute of arc is a unit of angular measurement equal to 1/60 of one degree. Since one degree is 1/360 of a turn (or complete rotation), one minute of arc is 1/21600 of a turn (or, in radians, π/10800)
In relation to the base unit of [angle] => (radians), 1 Hour Angles (HA) is equal to 0.26179938779 radians, while 1 Arcminutes (arcmin) = 0.000290888 radians.| 10800 Hour Angles | to common angle units |
|---|---|
| 10800 HA | = 2827.433388132 radians (rad) |
| 10800 HA | = 2827433.388132 milliradians (mrad/mil) |
| 10800 HA | = 2879999.1322946 angular mils (µ mil) |
| 10800 HA | = 161999.99367674 degrees (°deg) |
| 10800 HA | = 180000.00306418 gradians (grad) |
| 10800 HA | = 9720006.9722092 arcminutes (arcmin) |
| 10800 HA | = 583199977.25559 arcseconds (arcsec) |
| 10800 HA | = 2699.9988427518 sextants (60°) |
| 10800 HA | = 5399.9873722918 signs (30°) |
| 10800 HA | = 449.99966388602 turns (t) |