So, once you have decided on your body copy font size, multiplying this
value by 1.5 will give you the optimal line height. Once you՚ve got that, you
can multiply this new value by 27.8 to get your optimal line length. Note
that the layout will also need gutters, margins and padding to let the body
copy breathe. There are handy tools that help you figure out the best lead.
The New Scientist has 20 pixels of spacing between paragraphs.
7. How Many Characters Per Line?
According to a classic rule of web typography, 55 to 75 is an optimal
number of characters per line. Surprisingly, our study shows that most Web
sites have a higher number. We counted how many characters could fit on