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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 Sextants (60°) = 1.047198 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 Sextants (table conversion) |
|---|---|
| 1 SOA | = 4.6296278258744E-6 60° |
| 2 SOA | = 9.2592556517488E-6 60° |
| 3 SOA | = 1.3888883477623E-5 60° |
| 4 SOA | = 1.8518511303498E-5 60° |
| 5 SOA | = 2.3148139129372E-5 60° |
| 6 SOA | = 2.7777766955246E-5 60° |
| 7 SOA | = 3.2407394781121E-5 60° |
| 8 SOA | = 3.7037022606995E-5 60° |
| 9 SOA | = 4.1666650432869E-5 60° |
| 10 SOA | = 4.6296278258744E-5 60° |
| 20 SOA | = 9.2592556517488E-5 60° |
| 30 SOA | = 0.00013888883477623 60° |
| 40 SOA | = 0.00018518511303498 60° |
| 50 SOA | = 0.00023148139129372 60° |
| 60 SOA | = 0.00027777766955246 60° |
| 70 SOA | = 0.00032407394781121 60° |
| 80 SOA | = 0.00037037022606995 60° |
| 90 SOA | = 0.00041666650432869 60° |
| 100 SOA | = 0.00046296278258744 60° |
| 200 SOA | = 0.00092592556517488 60° |
| 300 SOA | = 0.0013888883477623 60° |
| 400 SOA | = 0.0018518511303498 60° |
| 500 SOA | = 0.0023148139129372 60° |
| 600 SOA | = 0.0027777766955246 60° |
| 700 SOA | = 0.0032407394781121 60° |
| 800 SOA | = 0.0037037022606995 60° |
| 900 SOA | = 0.0041666650432869 60° |
| 1000 SOA | = 0.0046296278258744 60° |
| 2000 SOA | = 0.0092592556517488 60° |
| 4000 SOA | = 0.018518511303498 60° |
| 5000 SOA | = 0.023148139129372 60° |
| 7500 SOA | = 0.034722208694058 60° |
| 10000 SOA | = 0.046296278258744 60° |
| 25000 SOA | = 0.11574069564686 60° |
| 50000 SOA | = 0.23148139129372 60° |
| 100000 SOA | = 0.46296278258744 60° |
| 1000000 SOA | = 4.6296278258744 60° |
| 1000000000 SOA | = 4629.6278258744 60° |