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 TC = 2.094 rad
1 rad = 0.477 TC
例子:
将15 第三圈转换为弧度：
15 TC = 31.416 rad
| 第三圈 | 弧度 |
|---|---|
| 0.01 TC | 0.021 rad |
| 0.1 TC | 0.209 rad |
| 1 TC | 2.094 rad |
| 2 TC | 4.189 rad |
| 3 TC | 6.283 rad |
| 5 TC | 10.472 rad |
| 10 TC | 20.944 rad |
| 20 TC | 41.888 rad |
| 30 TC | 62.832 rad |
| 40 TC | 83.776 rad |
| 50 TC | 104.72 rad |
| 60 TC | 125.664 rad |
| 70 TC | 146.608 rad |
| 80 TC | 167.552 rad |
| 90 TC | 188.495 rad |
| 100 TC | 209.439 rad |
| 250 TC | 523.599 rad |
| 500 TC | 1,047.197 rad |
| 750 TC | 1,570.796 rad |
| 1000 TC | 2,094.394 rad |
| 10000 TC | 20,943.944 rad |
| 100000 TC | 209,439.435 rad |
规则