Angle is a measure of rotation between two intersecting lines or surfaces. It is measured in degrees (°) or radians (rad).
1 arcsec = 6.1728e-6 OEC 
1 OEC = 162,000 arcsec 
उदाहरण: 
कन्वर्ट 15 Second of Arc से One Eighth Circle:
15 arcsec = 9.2593e-5 OEC 
| Second of Arc | One Eighth Circle | 
|---|---|
| 0.01 arcsec | 6.1728e-8 OEC | 
| 0.1 arcsec | 6.1728e-7 OEC | 
| 1 arcsec | 6.1728e-6 OEC | 
| 2 arcsec | 1.2346e-5 OEC | 
| 3 arcsec | 1.8519e-5 OEC | 
| 5 arcsec | 3.0864e-5 OEC | 
| 10 arcsec | 6.1728e-5 OEC | 
| 20 arcsec | 0 OEC | 
| 30 arcsec | 0 OEC | 
| 40 arcsec | 0 OEC | 
| 50 arcsec | 0 OEC | 
| 60 arcsec | 0 OEC | 
| 70 arcsec | 0 OEC | 
| 80 arcsec | 0 OEC | 
| 90 arcsec | 0.001 OEC | 
| 100 arcsec | 0.001 OEC | 
| 250 arcsec | 0.002 OEC | 
| 500 arcsec | 0.003 OEC | 
| 750 arcsec | 0.005 OEC | 
| 1000 arcsec | 0.006 OEC | 
| 10000 arcsec | 0.062 OEC | 
| 100000 arcsec | 0.617 OEC |