Depending on the font size, 600px gets you pretty close to the ideal of 50-75 characters per line: http://baymard.com/blog/line-length-readability http://baymar

Depending on the font size, 600px gets you pretty close to the ideal of 50-75 characters per line: http://baymard.com/blog/line-length-readability http://baymard.com/blog/line-length-readability