角度是两个相交线或表面之间旋转的度量。它以程度（°）或弧度（rad）为单位进行测量。
1 oct = 1 OEC
1 OEC = 1 oct
例子:
将15 八分之一转换为一个八个圈：
15 oct = 15 OEC
| 八分之一 | 一个八个圈 |
|---|---|
| 0.01 oct | 0.01 OEC |
| 0.1 oct | 0.1 OEC |
| 1 oct | 1 OEC |
| 2 oct | 2 OEC |
| 3 oct | 3 OEC |
| 5 oct | 5 OEC |
| 10 oct | 10 OEC |
| 20 oct | 20 OEC |
| 30 oct | 30 OEC |
| 40 oct | 40 OEC |
| 50 oct | 50 OEC |
| 60 oct | 60 OEC |
| 70 oct | 70 OEC |
| 80 oct | 80 OEC |
| 90 oct | 90 OEC |
| 100 oct | 100 OEC |
| 250 oct | 250 OEC |
| 500 oct | 500 OEC |
| 750 oct | 750 OEC |
| 1000 oct | 1,000 OEC |
| 10000 oct | 10,000 OEC |
| 100000 oct | 100,000 OEC |
规则