Here are some tools and tutorials to help you use the Golden Ratio in your designs, and create pieces that work proportionally...
01. What is the Golden Ratio?
This popular video from Tipping Point Math offers a more in-depth look at the Golden Ratio. It covers its origins, and use in mathematics. Beware: sections of this are quite confusing if you're not mathematically minded!
02. Golden Ratio calipers
There are plenty of ways for you to measure ratios digitally, but here's a tool for traditional artists. Golden Ratio calipers can be used to measure the proportions of your artwork on the page. You can buy them in different sizes, depending on the scale you usually work at.
03. How to design a logo using the Golden Ratio
This handy video tutorial shows you how to use Golden Ratio to design a logo in Illustrator. If you can get past the odd robotic voice, this is a great guide to using the principles in practice.
04. Golden Ratio Typography Calculator
This calculator helps you to create the perfect typography for your website in line with theory's principles. Just enter a font size, content width, or both into the field on the website, and click the Get my GRT button.
05. Golden Ratio: Phicalculator
Phicalculator is a simple but useful free app is available for both Mac and PC. Give it any number and it will calculate the corresponding number according to the golden ratio.
06. The Golden Ratio in Web Design
This tutorial from Tuts+ explains how to apply the principles of the Golden Ratio to your web design projects. In it, the writer considers the typical elements of a web page, and explores how the Golden Ratio relates. It was first published in 2008, but there's plenty that's still relevant here.