WPM Definition
By marc3 on Tue 17 Nov 2009WPM means Words Per Minute. It is a measure of the output speed. For this measure, a word is 5 keystrokes. For example "hello world" is 2 words and "it's a day" is also 2 words because each expression is made of 10 characters.
The average professional typist reaches 50 to 70 wpm. Are you a professional? Do the free typing test :) http://www.keyhero.com/play/
More inforamtion can be found on http://en.wikipedia.org/wiki/Words_per_minute