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 QC = 0.667 TEC
1 TEC = 1.5 QC
例子:
将15 四分之一圈转换为三个第八个圈：
15 QC = 10 TEC
| 四分之一圈 | 三个第八个圈 |
|---|---|
| 0.01 QC | 0.007 TEC |
| 0.1 QC | 0.067 TEC |
| 1 QC | 0.667 TEC |
| 2 QC | 1.333 TEC |
| 3 QC | 2 TEC |
| 5 QC | 3.333 TEC |
| 10 QC | 6.667 TEC |
| 20 QC | 13.333 TEC |
| 30 QC | 20 TEC |
| 40 QC | 26.667 TEC |
| 50 QC | 33.333 TEC |
| 60 QC | 40 TEC |
| 70 QC | 46.667 TEC |
| 80 QC | 53.333 TEC |
| 90 QC | 60 TEC |
| 100 QC | 66.667 TEC |
| 250 QC | 166.667 TEC |
| 500 QC | 333.333 TEC |
| 750 QC | 500 TEC |
| 1000 QC | 666.667 TEC |
| 10000 QC | 6,666.667 TEC |
| 100000 QC | 66,666.667 TEC |
规则