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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).
A second of arc, or arcsecond (arsec) is 1/60 of an arcminute, 1/3600 of a degree, 1/1296000 of a turn, and π/648000 (about 1/206265) of a radian.
In relation to the base unit of [angle] => (radians), 1 Minute Of Arc (MOA) is equal to 0.000290888 radians, while 1 Second Of Arc (SOA) = 4.848137E-6 radians.| 68 Minute Of Arc | to common angle units |
|---|---|
| 68 MOA | = 0.019780384 radians (rad) |
| 68 MOA | = 19.780384 milliradians (mrad/mil) |
| 68 MOA | = 20.148127625419 angular mils (µ mil) |
| 68 MOA | = 1.133332476151 degrees (°deg) |
| 68 MOA | = 1.259258377423 gradians (grad) |
| 68 MOA | = 68 arcminutes (arcmin) |
| 68 MOA | = 4079.9969142786 arcseconds (arcsec) |
| 68 MOA | = 0.018888867243826 sextants (60°) |
| 68 MOA | = 0.037777662337662 signs (30°) |
| 68 MOA | = 0.0031481435385529 turns (t) |