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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.| 808400 Circles | to common angle units |
|---|---|
| 808400 o | = 5079330.796 radians (rad) |
| 808400 o | = 5079330796 milliradians (mrad/mil) |
| 808400 o | = 5173762305.6018 angular mils (µ mil) |
| 808400 o | = 291024206.01241 degrees (°deg) |
| 808400 o | = 323360247.02885 gradians (grad) |
| 808400 o | = 17461465567.504 arcminutes (arcmin) |
| 808400 o | = 1047687141679.4 arcseconds (arcsec) |
| 808400 o | = 4850401.5439296 sextants (60°) |
| 808400 o | = 9700784.5607334 signs (30°) |
| 808400 o | = 808400 turns (t) |