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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.| 78 Hour Angles | to common angle units |
|---|---|
| 78 HA | = 20.42035224762 radians (rad) |
| 78 HA | = 20420.35224762 milliradians (mrad/mil) |
| 78 HA | = 20799.993733239 angular mils (µ mil) |
| 78 HA | = 1169.999954332 degrees (°deg) |
| 78 HA | = 1300.0000221302 gradians (grad) |
| 78 HA | = 70200.050354844 arcminutes (arcmin) |
| 78 HA | = 4211999.8357348 arcseconds (arcsec) |
| 78 HA | = 19.499991642096 sextants (60°) |
| 78 HA | = 38.999908799885 signs (30°) |
| 78 HA | = 3.2499975725101 turns (t) |