Angle is a measure of rotation between two intersecting lines or surfaces. It is measured in degrees (°) or radians (rad).
1 OEC = 7.162 crad 
1 crad = 0.14 OEC 
उदाहरण: 
कन्वर्ट 15 One Eighth Circle से Circular Radian:
15 OEC = 107.43 crad 
| One Eighth Circle | Circular Radian | 
|---|---|
| 0.01 OEC | 0.072 crad | 
| 0.1 OEC | 0.716 crad | 
| 1 OEC | 7.162 crad | 
| 2 OEC | 14.324 crad | 
| 3 OEC | 21.486 crad | 
| 5 OEC | 35.81 crad | 
| 10 OEC | 71.62 crad | 
| 20 OEC | 143.239 crad | 
| 30 OEC | 214.859 crad | 
| 40 OEC | 286.479 crad | 
| 50 OEC | 358.098 crad | 
| 60 OEC | 429.718 crad | 
| 70 OEC | 501.338 crad | 
| 80 OEC | 572.957 crad | 
| 90 OEC | 644.577 crad | 
| 100 OEC | 716.197 crad | 
| 250 OEC | 1,790.492 crad | 
| 500 OEC | 3,580.984 crad | 
| 750 OEC | 5,371.475 crad | 
| 1000 OEC | 7,161.967 crad | 
| 10000 OEC | 71,619.671 crad | 
| 100000 OEC | 716,196.709 crad |