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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.| 643300 Hour Angles | to common angle units |
|---|---|
| 643300 HA | = 168415.54616531 radians (rad) |
| 643300 HA | = 168415546.16531 milliradians (mrad/mil) |
| 643300 HA | = 171546614.98196 angular mils (µ mil) |
| 643300 HA | = 9649499.6233564 degrees (°deg) |
| 643300 HA | = 10721666.849184 gradians (grad) |
| 643300 HA | = 578970415.29835 arcminutes (arcmin) |
| 643300 HA | = 34738198645.234 arcseconds (arcsec) |
| 643300 HA | = 160824.93106873 sextants (60°) |
| 643300 HA | = 321649.2478329 signs (30°) |
| 643300 HA | = 26804.1466461 turns (t) |