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 rad = 63.662 gon
1 gon = 0.016 rad
例子:
将15 弧度转换为Gradian：
15 rad = 954.93 gon
| 弧度 | Gradian |
|---|---|
| 0.01 rad | 0.637 gon |
| 0.1 rad | 6.366 gon |
| 1 rad | 63.662 gon |
| 2 rad | 127.324 gon |
| 3 rad | 190.986 gon |
| 5 rad | 318.31 gon |
| 10 rad | 636.62 gon |
| 20 rad | 1,273.24 gon |
| 30 rad | 1,909.86 gon |
| 40 rad | 2,546.48 gon |
| 50 rad | 3,183.1 gon |
| 60 rad | 3,819.72 gon |
| 70 rad | 4,456.34 gon |
| 80 rad | 5,092.96 gon |
| 90 rad | 5,729.58 gon |
| 100 rad | 6,366.2 gon |
| 250 rad | 15,915.5 gon |
| 500 rad | 31,831 gon |
| 750 rad | 47,746.5 gon |
| 1000 rad | 63,662 gon |
| 10000 rad | 636,620 gon |
| 100000 rad | 6,366,200 gon |
规则