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 = 206.265 arcsec
1 arcsec = 0.005 mrad
例子:
将15 Milliradian转换为第二弧的第二：
15 mrad = 3,093.973 arcsec
| Milliradian | 第二弧的第二 |
|---|---|
| 0.01 mrad | 2.063 arcsec |
| 0.1 mrad | 20.626 arcsec |
| 1 mrad | 206.265 arcsec |
| 2 mrad | 412.53 arcsec |
| 3 mrad | 618.795 arcsec |
| 5 mrad | 1,031.324 arcsec |
| 10 mrad | 2,062.649 arcsec |
| 20 mrad | 4,125.298 arcsec |
| 30 mrad | 6,187.946 arcsec |
| 40 mrad | 8,250.595 arcsec |
| 50 mrad | 10,313.244 arcsec |
| 60 mrad | 12,375.893 arcsec |
| 70 mrad | 14,438.542 arcsec |
| 80 mrad | 16,501.19 arcsec |
| 90 mrad | 18,563.839 arcsec |
| 100 mrad | 20,626.488 arcsec |
| 250 mrad | 51,566.22 arcsec |
| 500 mrad | 103,132.44 arcsec |
| 750 mrad | 154,698.66 arcsec |
| 1000 mrad | 206,264.88 arcsec |
| 10000 mrad | 2,062,648.8 arcsec |
| 100000 mrad | 20,626,488 arcsec |
规则