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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 Microarcseconds (μas) is equal to 4.8481368E-12 radians, while 1 Second Of Arc (SOA) = 4.848137E-6 radians.| 1 Microarcseconds | to common angle units |
|---|---|
| 1 μas | = 4.8481368E-12 radians (rad) |
| 1 μas | = 4.8481368E-9 milliradians (mrad/mil) |
| 1 μas | = 4.9382701059742E-9 angular mils (µ mil) |
| 1 μas | = 2.7777776630942E-10 degrees (°deg) |
| 1 μas | = 3.0864197986715E-10 gradians (grad) |
| 1 μas | = 1.6666678584197E-8 arcminutes (arcmin) |
| 1 μas | = 9.9999995874704E-7 arcseconds (arcsec) |
| 1 μas | = 4.6296276348885E-12 sextants (60°) |
| 1 μas | = 9.2592375859435E-12 signs (30°) |
| 1 μas | = 7.7160436020556E-13 turns (t) |
| Microarcseconds | to Second Of Arc (table conversion) |
|---|---|
| 1 μas | = 9.9999995874704E-7 SOA |
| 2 μas | = 1.9999999174941E-6 SOA |
| 3 μas | = 2.9999998762411E-6 SOA |
| 4 μas | = 3.9999998349882E-6 SOA |
| 5 μas | = 4.9999997937352E-6 SOA |
| 6 μas | = 5.9999997524822E-6 SOA |
| 7 μas | = 6.9999997112293E-6 SOA |
| 8 μas | = 7.9999996699763E-6 SOA |
| 9 μas | = 8.9999996287234E-6 SOA |
| 10 μas | = 9.9999995874704E-6 SOA |
| 20 μas | = 1.9999999174941E-5 SOA |
| 30 μas | = 2.9999998762411E-5 SOA |
| 40 μas | = 3.9999998349882E-5 SOA |
| 50 μas | = 4.9999997937352E-5 SOA |
| 60 μas | = 5.9999997524822E-5 SOA |
| 70 μas | = 6.9999997112293E-5 SOA |
| 80 μas | = 7.9999996699763E-5 SOA |
| 90 μas | = 8.9999996287234E-5 SOA |
| 100 μas | = 9.9999995874704E-5 SOA |
| 200 μas | = 0.00019999999174941 SOA |
| 300 μas | = 0.00029999998762411 SOA |
| 400 μas | = 0.00039999998349882 SOA |
| 500 μas | = 0.00049999997937352 SOA |
| 600 μas | = 0.00059999997524822 SOA |
| 700 μas | = 0.00069999997112293 SOA |
| 800 μas | = 0.00079999996699763 SOA |
| 900 μas | = 0.00089999996287234 SOA |
| 1000 μas | = 0.00099999995874704 SOA |
| 2000 μas | = 0.0019999999174941 SOA |
| 4000 μas | = 0.0039999998349882 SOA |
| 5000 μas | = 0.0049999997937352 SOA |
| 7500 μas | = 0.0074999996906028 SOA |
| 10000 μas | = 0.0099999995874704 SOA |
| 25000 μas | = 0.024999998968676 SOA |
| 50000 μas | = 0.049999997937352 SOA |
| 100000 μas | = 0.099999995874704 SOA |
| 1000000 μas | = 0.99999995874704 SOA |
| 1000000000 μas | = 999.99995874704 SOA |