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 ° = 0.011 QC
1 QC = 90 °
例子:
将15 程度转换为四分之一圈：
15 ° = 0.167 QC
| 程度 | 四分之一圈 |
|---|---|
| 0.01 ° | 0 QC |
| 0.1 ° | 0.001 QC |
| 1 ° | 0.011 QC |
| 2 ° | 0.022 QC |
| 3 ° | 0.033 QC |
| 5 ° | 0.056 QC |
| 10 ° | 0.111 QC |
| 20 ° | 0.222 QC |
| 30 ° | 0.333 QC |
| 40 ° | 0.444 QC |
| 50 ° | 0.556 QC |
| 60 ° | 0.667 QC |
| 70 ° | 0.778 QC |
| 80 ° | 0.889 QC |
| 90 ° | 1 QC |
| 100 ° | 1.111 QC |
| 250 ° | 2.778 QC |
| 500 ° | 5.556 QC |
| 750 ° | 8.333 QC |
| 1000 ° | 11.111 QC |
| 10000 ° | 111.111 QC |
| 100000 ° | 1,111.111 QC |
规则