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 OEC = 1 oct
1 oct = 1 OEC
例子:
将15 一个八个圈转换为八分之一：
15 OEC = 15 oct
| 一个八个圈 | 八分之一 |
|---|---|
| 0.01 OEC | 0.01 oct |
| 0.1 OEC | 0.1 oct |
| 1 OEC | 1 oct |
| 2 OEC | 2 oct |
| 3 OEC | 3 oct |
| 5 OEC | 5 oct |
| 10 OEC | 10 oct |
| 20 OEC | 20 oct |
| 30 OEC | 30 oct |
| 40 OEC | 40 oct |
| 50 OEC | 50 oct |
| 60 OEC | 60 oct |
| 70 OEC | 70 oct |
| 80 OEC | 80 oct |
| 90 OEC | 90 oct |
| 100 OEC | 100 oct |
| 250 OEC | 250 oct |
| 500 OEC | 500 oct |
| 750 OEC | 750 oct |
| 1000 OEC | 1,000 oct |
| 10000 OEC | 10,000 oct |
| 100000 OEC | 100,000 oct |
规则