Web Link Golden Ratio Typography Calculator
Helps you set an almost perfect reading setting between font size, line height and line width for your online text. You enter a font size, line width and if you want, a CPL, a Word Count Per Line, and press go! You are then shown the Given, Best, Second and Optimal settings for the values you entered.
It's fun to play around with and you can try different fonts as well. Click on the words font size on the right section of the screen to get a view at optimized font-sizes for title, headlines, sub-headlines, primary text and secondary text.