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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.| 688400 Hour Angles | to common angle units |
|---|---|
| 688400 HA | = 180222.69855464 radians (rad) |
| 688400 HA | = 180222698.55464 milliradians (mrad/mil) |
| 688400 HA | = 183573278.02515 angular mils (µ mil) |
| 688400 HA | = 10325999.596951 degrees (°deg) |
| 688400 HA | = 11473333.528646 gradians (grad) |
| 688400 HA | = 619560444.41378 arcminutes (arcmin) |
| 688400 HA | = 37173598550.255 arcseconds (arcsec) |
| 688400 HA | = 172099.92623614 sextants (60°) |
| 688400 HA | = 344199.19510053 signs (30°) |
| 688400 HA | = 28683.311909179 turns (t) |