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An arcsecond (arsec) or second of arc 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 Arcseconds (arcsec) = 4.848137E-6 radians.| 1 Milliarcseconds | to common angle units |
|---|---|
| 1 mas | = 4.8481368E-9 radians (rad) |
| 1 mas | = 4.8481368E-6 milliradians (mrad/mil) |
| 1 mas | = 4.9382701059742E-6 angular mils (µ mil) |
| 1 mas | = 2.7777776630942E-7 degrees (°deg) |
| 1 mas | = 3.0864197986715E-7 gradians (grad) |
| 1 mas | = 1.6666678584197E-5 arcminutes (arcmin) |
| 1 mas | = 0.00099999995874704 arcseconds (arcsec) |
| 1 mas | = 4.6296276348885E-9 sextants (60°) |
| 1 mas | = 9.2592375859435E-9 signs (30°) |
| 1 mas | = 7.7160436020556E-10 turns (t) |
| Milliarcseconds | to Arcseconds (table conversion) |
|---|---|
| 1 mas | = 0.00099999995874704 arcsec |
| 2 mas | = 0.0019999999174941 arcsec |
| 3 mas | = 0.0029999998762411 arcsec |
| 4 mas | = 0.0039999998349882 arcsec |
| 5 mas | = 0.0049999997937352 arcsec |
| 6 mas | = 0.0059999997524822 arcsec |
| 7 mas | = 0.0069999997112293 arcsec |
| 8 mas | = 0.0079999996699763 arcsec |
| 9 mas | = 0.0089999996287234 arcsec |
| 10 mas | = 0.0099999995874704 arcsec |
| 20 mas | = 0.019999999174941 arcsec |
| 30 mas | = 0.029999998762411 arcsec |
| 40 mas | = 0.039999998349882 arcsec |
| 50 mas | = 0.049999997937352 arcsec |
| 60 mas | = 0.059999997524822 arcsec |
| 70 mas | = 0.069999997112293 arcsec |
| 80 mas | = 0.079999996699763 arcsec |
| 90 mas | = 0.089999996287234 arcsec |
| 100 mas | = 0.099999995874704 arcsec |
| 200 mas | = 0.19999999174941 arcsec |
| 300 mas | = 0.29999998762411 arcsec |
| 400 mas | = 0.39999998349882 arcsec |
| 500 mas | = 0.49999997937352 arcsec |
| 600 mas | = 0.59999997524822 arcsec |
| 700 mas | = 0.69999997112293 arcsec |
| 800 mas | = 0.79999996699763 arcsec |
| 900 mas | = 0.89999996287234 arcsec |
| 1000 mas | = 0.99999995874704 arcsec |
| 2000 mas | = 1.9999999174941 arcsec |
| 4000 mas | = 3.9999998349882 arcsec |
| 5000 mas | = 4.9999997937352 arcsec |
| 7500 mas | = 7.4999996906028 arcsec |
| 10000 mas | = 9.9999995874704 arcsec |
| 25000 mas | = 24.999998968676 arcsec |
| 50000 mas | = 49.999997937352 arcsec |
| 100000 mas | = 99.999995874704 arcsec |
| 1000000 mas | = 999.99995874704 arcsec |
| 1000000000 mas | = 999999.95874704 arcsec |