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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 Second Of Arc (SOA) is equal to 4.848137E-6 radians, while 1 Centesimal Minute Of Arc (c MOA) = 0.00015708 radians.| 1 Second Of Arc | to common angle units |
|---|---|
| 1 SOA | = 4.848137E-6 radians (rad) |
| 1 SOA | = 0.004848137 milliradians (mrad/mil) |
| 1 SOA | = 0.0049382703096925 angular mils (µ mil) |
| 1 SOA | = 0.00027777777776858 degrees (°deg) |
| 1 SOA | = 0.00030864199259955 gradians (grad) |
| 1 SOA | = 0.016666679271747 arcminutes (arcmin) |
| 1 SOA | = 1 arcseconds (arcsec) |
| 1 SOA | = 4.6296278258744E-6 sextants (60°) |
| 1 SOA | = 9.2592379679144E-6 signs (30°) |
| 1 SOA | = 7.7160439203653E-7 turns (t) |
| Second Of Arc | to Centesimal Minute Of Arc (table conversion) |
|---|---|
| 1 SOA | = 0.030864126559715 c MOA |
| 2 SOA | = 0.06172825311943 c MOA |
| 3 SOA | = 0.092592379679144 c MOA |
| 4 SOA | = 0.12345650623886 c MOA |
| 5 SOA | = 0.15432063279857 c MOA |
| 6 SOA | = 0.18518475935829 c MOA |
| 7 SOA | = 0.216048885918 c MOA |
| 8 SOA | = 0.24691301247772 c MOA |
| 9 SOA | = 0.27777713903743 c MOA |
| 10 SOA | = 0.30864126559715 c MOA |
| 20 SOA | = 0.6172825311943 c MOA |
| 30 SOA | = 0.92592379679144 c MOA |
| 40 SOA | = 1.2345650623886 c MOA |
| 50 SOA | = 1.5432063279857 c MOA |
| 60 SOA | = 1.8518475935829 c MOA |
| 70 SOA | = 2.16048885918 c MOA |
| 80 SOA | = 2.4691301247772 c MOA |
| 90 SOA | = 2.7777713903743 c MOA |
| 100 SOA | = 3.0864126559715 c MOA |
| 200 SOA | = 6.172825311943 c MOA |
| 300 SOA | = 9.2592379679144 c MOA |
| 400 SOA | = 12.345650623886 c MOA |
| 500 SOA | = 15.432063279857 c MOA |
| 600 SOA | = 18.518475935829 c MOA |
| 700 SOA | = 21.6048885918 c MOA |
| 800 SOA | = 24.691301247772 c MOA |
| 900 SOA | = 27.777713903743 c MOA |
| 1000 SOA | = 30.864126559715 c MOA |
| 2000 SOA | = 61.72825311943 c MOA |
| 4000 SOA | = 123.45650623886 c MOA |
| 5000 SOA | = 154.32063279857 c MOA |
| 7500 SOA | = 231.48094919786 c MOA |
| 10000 SOA | = 308.64126559715 c MOA |
| 25000 SOA | = 771.60316399287 c MOA |
| 50000 SOA | = 1543.2063279857 c MOA |
| 100000 SOA | = 3086.4126559715 c MOA |
| 1000000 SOA | = 30864.126559715 c MOA |
| 1000000000 SOA | = 30864126.559715 c MOA |