Angle is a measure of rotation between two intersecting lines or surfaces. It is measured in degrees (°) or radians (rad).
1 gon = 0.02 OEC 
1 OEC = 50 gon 
उदाहरण: 
कन्वर्ट 15 Gradian से One Eighth Circle:
15 gon = 0.3 OEC 
| Gradian | One Eighth Circle | 
|---|---|
| 0.01 gon | 0 OEC | 
| 0.1 gon | 0.002 OEC | 
| 1 gon | 0.02 OEC | 
| 2 gon | 0.04 OEC | 
| 3 gon | 0.06 OEC | 
| 5 gon | 0.1 OEC | 
| 10 gon | 0.2 OEC | 
| 20 gon | 0.4 OEC | 
| 30 gon | 0.6 OEC | 
| 40 gon | 0.8 OEC | 
| 50 gon | 1 OEC | 
| 60 gon | 1.2 OEC | 
| 70 gon | 1.4 OEC | 
| 80 gon | 1.6 OEC | 
| 90 gon | 1.8 OEC | 
| 100 gon | 2 OEC | 
| 250 gon | 5 OEC | 
| 500 gon | 10 OEC | 
| 750 gon | 15 OEC | 
| 1000 gon | 20 OEC | 
| 10000 gon | 200 OEC | 
| 100000 gon | 2,000 OEC |