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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 Minute Of Arc (MOA) is equal to 0.000290888 radians, while 1 Diameter Parts (Ø part) = 0.01666666666 radians.| 1 Minute Of Arc | to common angle units |
|---|---|
| 1 MOA | = 0.000290888 radians (rad) |
| 1 MOA | = 0.290888 milliradians (mrad/mil) |
| 1 MOA | = 0.29629599449146 angular mils (µ mil) |
| 1 MOA | = 0.016666654061044 degrees (°deg) |
| 1 MOA | = 0.018518505550338 gradians (grad) |
| 1 MOA | = 1 arcminutes (arcmin) |
| 1 MOA | = 59.999954621744 arcseconds (arcsec) |
| 1 MOA | = 0.00027777745946803 sextants (60°) |
| 1 MOA | = 0.0005555538579068 signs (30°) |
| 1 MOA | = 4.629622850813E-5 turns (t) |
| Minute Of Arc | to Diameter Parts (table conversion) |
|---|---|
| 1 MOA | = 0.017453280006981 Ø part |
| 2 MOA | = 0.034906560013963 Ø part |
| 3 MOA | = 0.052359840020944 Ø part |
| 4 MOA | = 0.069813120027925 Ø part |
| 5 MOA | = 0.087266400034907 Ø part |
| 6 MOA | = 0.10471968004189 Ø part |
| 7 MOA | = 0.12217296004887 Ø part |
| 8 MOA | = 0.13962624005585 Ø part |
| 9 MOA | = 0.15707952006283 Ø part |
| 10 MOA | = 0.17453280006981 Ø part |
| 20 MOA | = 0.34906560013963 Ø part |
| 30 MOA | = 0.52359840020944 Ø part |
| 40 MOA | = 0.69813120027925 Ø part |
| 50 MOA | = 0.87266400034907 Ø part |
| 60 MOA | = 1.0471968004189 Ø part |
| 70 MOA | = 1.2217296004887 Ø part |
| 80 MOA | = 1.3962624005585 Ø part |
| 90 MOA | = 1.5707952006283 Ø part |
| 100 MOA | = 1.7453280006981 Ø part |
| 200 MOA | = 3.4906560013963 Ø part |
| 300 MOA | = 5.2359840020944 Ø part |
| 400 MOA | = 6.9813120027925 Ø part |
| 500 MOA | = 8.7266400034907 Ø part |
| 600 MOA | = 10.471968004189 Ø part |
| 700 MOA | = 12.217296004887 Ø part |
| 800 MOA | = 13.962624005585 Ø part |
| 900 MOA | = 15.707952006283 Ø part |
| 1000 MOA | = 17.453280006981 Ø part |
| 2000 MOA | = 34.906560013963 Ø part |
| 4000 MOA | = 69.813120027925 Ø part |
| 5000 MOA | = 87.266400034907 Ø part |
| 7500 MOA | = 130.89960005236 Ø part |
| 10000 MOA | = 174.53280006981 Ø part |
| 25000 MOA | = 436.33200017453 Ø part |
| 50000 MOA | = 872.66400034907 Ø part |
| 100000 MOA | = 1745.3280006981 Ø part |
| 1000000 MOA | = 17453.280006981 Ø part |
| 1000000000 MOA | = 17453280.006981 Ø part |