1WPM=5KPM
WPM : words per minute 字/分钟 即单词/分钟
KPM/CPM : characters/keystrokes per minute 字符/分钟 按键/分钟(KPM=CPM)
Converting Between WPM and CPM/KPM
In the settings you always have to enter speed value in WPM format. To convert a CPM/KPM value to WPM please use the following formula:
One WPM equals 5 CPM/KPM, unless you have set a different value on the Settings page. For example, if you wish to set the speed limit to 300 CPM, enter 60 WPM (300 divided by 5).