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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.| 388400 Second Of Arc | to common angle units |
|---|---|
| 388400 SOA | = 1.8830164108 radians (rad) |
| 388400 SOA | = 1883.0164108 milliradians (mrad/mil) |
| 388400 SOA | = 1918.0241882846 angular mils (µ mil) |
| 388400 SOA | = 107.88888888532 degrees (°deg) |
| 388400 SOA | = 119.87654992567 gradians (grad) |
| 388400 SOA | = 6473.3382291466 arcminutes (arcmin) |
| 388400 SOA | = 388400 arcseconds (arcsec) |
| 388400 SOA | = 1.7981474475696 sextants (60°) |
| 388400 SOA | = 3.596288026738 signs (30°) |
| 388400 SOA | = 0.29969114586699 turns (t) |