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A minute of arc or arcminute (arcmin) 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 Circles (o) is equal to 6.28319 radians, while 1 Minute Of Arc (MOA) = 0.000290888 radians.| 24 Circles | to common angle units |
|---|---|
| 24 o | = 150.79656 radians (rad) |
| 24 o | = 150796.56 milliradians (mrad/mil) |
| 24 o | = 153600.06844934 angular mils (µ mil) |
| 24 o | = 8640.0061161527 degrees (°deg) |
| 24 o | = 9600.0073338599 gradians (grad) |
| 24 o | = 518400.75905503 arcminutes (arcmin) |
| 24 o | = 31104022.01918 arcseconds (arcsec) |
| 24 o | = 144.0000458366 sextants (60°) |
| 24 o | = 287.99954163484 signs (30°) |
| 24 o | = 24 turns (t) |