频率是每单位时间重复事件的发生数量。它是在赫兹（Hz）中测量的。
1 rpm = 0.017 cps
1 cps = 60 rpm
例子:
将15 每分钟革命转换为每秒循环：
15 rpm = 0.25 cps
| 每分钟革命 | 每秒循环 |
|---|---|
| 0.01 rpm | 0 cps |
| 0.1 rpm | 0.002 cps |
| 1 rpm | 0.017 cps |
| 2 rpm | 0.033 cps |
| 3 rpm | 0.05 cps |
| 5 rpm | 0.083 cps |
| 10 rpm | 0.167 cps |
| 20 rpm | 0.333 cps |
| 30 rpm | 0.5 cps |
| 40 rpm | 0.667 cps |
| 50 rpm | 0.833 cps |
| 60 rpm | 1 cps |
| 70 rpm | 1.167 cps |
| 80 rpm | 1.333 cps |
| 90 rpm | 1.5 cps |
| 100 rpm | 1.667 cps |
| 250 rpm | 4.167 cps |
| 500 rpm | 8.333 cps |
| 750 rpm | 12.5 cps |
| 1000 rpm | 16.667 cps |
| 10000 rpm | 166.667 cps |
| 100000 rpm | 1,666.667 cps |
规则