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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 Milliarcseconds (mas) is equal to 4.8481368E-9 radians, while 1 Second Of Arc (SOA) = 4.848137E-6 radians.| 291200 Milliarcseconds | to common angle units |
|---|---|
| 291200 mas | = 0.00141177743616 radians (rad) |
| 291200 mas | = 1.41177743616 milliradians (mrad/mil) |
| 291200 mas | = 1.4380242548597 angular mils (µ mil) |
| 291200 mas | = 0.080888885549304 degrees (°deg) |
| 291200 mas | = 0.089876544537315 gradians (grad) |
| 291200 mas | = 4.8533368037183 arcminutes (arcmin) |
| 291200 mas | = 291.19998798714 arcseconds (arcsec) |
| 291200 mas | = 0.0013481475672795 sextants (60°) |
| 291200 mas | = 0.0026962899850267 signs (30°) |
| 291200 mas | = 0.00022469118969186 turns (t) |