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 mrad = 0 TEC
1 TEC = 2,356.194 mrad
例子:
将15 Milliradian转换为三个第八个圈：
15 mrad = 0.006 TEC
| Milliradian | 三个第八个圈 |
|---|---|
| 0.01 mrad | 4.2441e-6 TEC |
| 0.1 mrad | 4.2441e-5 TEC |
| 1 mrad | 0 TEC |
| 2 mrad | 0.001 TEC |
| 3 mrad | 0.001 TEC |
| 5 mrad | 0.002 TEC |
| 10 mrad | 0.004 TEC |
| 20 mrad | 0.008 TEC |
| 30 mrad | 0.013 TEC |
| 40 mrad | 0.017 TEC |
| 50 mrad | 0.021 TEC |
| 60 mrad | 0.025 TEC |
| 70 mrad | 0.03 TEC |
| 80 mrad | 0.034 TEC |
| 90 mrad | 0.038 TEC |
| 100 mrad | 0.042 TEC |
| 250 mrad | 0.106 TEC |
| 500 mrad | 0.212 TEC |
| 750 mrad | 0.318 TEC |
| 1000 mrad | 0.424 TEC |
| 10000 mrad | 4.244 TEC |
| 100000 mrad | 42.441 TEC |
规则