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 FC = 1 turn
1 turn = 1 FC
例子:
将15 完整的圆圈转换为转动：
15 FC = 15 turn
| 完整的圆圈 | 转动 |
|---|---|
| 0.01 FC | 0.01 turn |
| 0.1 FC | 0.1 turn |
| 1 FC | 1 turn |
| 2 FC | 2 turn |
| 3 FC | 3 turn |
| 5 FC | 5 turn |
| 10 FC | 10 turn |
| 20 FC | 20 turn |
| 30 FC | 30 turn |
| 40 FC | 40 turn |
| 50 FC | 50 turn |
| 60 FC | 60 turn |
| 70 FC | 70 turn |
| 80 FC | 80 turn |
| 90 FC | 90 turn |
| 100 FC | 100 turn |
| 250 FC | 250 turn |
| 500 FC | 500 turn |
| 750 FC | 750 turn |
| 1000 FC | 1,000 turn |
| 10000 FC | 10,000 turn |
| 100000 FC | 100,000 turn |
规则