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 oct = 0.5 QC
1 QC = 2 oct
例子:
将15 八分之一转换为四分之一圈：
15 oct = 7.5 QC
| 八分之一 | 四分之一圈 |
|---|---|
| 0.01 oct | 0.005 QC |
| 0.1 oct | 0.05 QC |
| 1 oct | 0.5 QC |
| 2 oct | 1 QC |
| 3 oct | 1.5 QC |
| 5 oct | 2.5 QC |
| 10 oct | 5 QC |
| 20 oct | 10 QC |
| 30 oct | 15 QC |
| 40 oct | 20 QC |
| 50 oct | 25 QC |
| 60 oct | 30 QC |
| 70 oct | 35 QC |
| 80 oct | 40 QC |
| 90 oct | 45 QC |
| 100 oct | 50 QC |
| 250 oct | 125 QC |
| 500 oct | 250 QC |
| 750 oct | 375 QC |
| 1000 oct | 500 QC |
| 10000 oct | 5,000 QC |
| 100000 oct | 50,000 QC |
规则