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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 Nanoradians (nrad) is equal to 1.0E-9 radians, while 1 Second Of Arc (SOA) = 4.848137E-6 radians.| 85 Nanoradians | to common angle units |
|---|---|
| 85 nrad | = 8.5E-8 radians (rad) |
| 85 nrad | = 8.5E-5 milliradians (mrad/mil) |
| 85 nrad | = 8.6580262959537E-5 angular mils (µ mil) |
| 85 nrad | = 4.8701410686887E-6 degrees (°deg) |
| 85 nrad | = 5.4112681574307E-6 gradians (grad) |
| 85 nrad | = 0.00029220868512967 arcminutes (arcmin) |
| 85 nrad | = 0.01753250784786 arcseconds (arcsec) |
| 85 nrad | = 8.1168986189813E-8 sextants (60°) |
| 85 nrad | = 1.6233766233766E-7 signs (30°) |
| 85 nrad | = 1.3528160058824E-8 turns (t) |