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 FC
1 FC = 6,283.183 mrad
例子:
将15 Milliradian转换为完整的圆圈：
15 mrad = 0.002 FC
| Milliradian | 完整的圆圈 |
|---|---|
| 0.01 mrad | 1.5916e-6 FC |
| 0.1 mrad | 1.5916e-5 FC |
| 1 mrad | 0 FC |
| 2 mrad | 0 FC |
| 3 mrad | 0 FC |
| 5 mrad | 0.001 FC |
| 10 mrad | 0.002 FC |
| 20 mrad | 0.003 FC |
| 30 mrad | 0.005 FC |
| 40 mrad | 0.006 FC |
| 50 mrad | 0.008 FC |
| 60 mrad | 0.01 FC |
| 70 mrad | 0.011 FC |
| 80 mrad | 0.013 FC |
| 90 mrad | 0.014 FC |
| 100 mrad | 0.016 FC |
| 250 mrad | 0.04 FC |
| 500 mrad | 0.08 FC |
| 750 mrad | 0.119 FC |
| 1000 mrad | 0.159 FC |
| 10000 mrad | 1.592 FC |
| 100000 mrad | 15.916 FC |
规则