The Proportions of a Head Although the proportions of a head will vary from person to person and change slightly with age, there are some basic principles you can follow to improve your drawing. You can use these to check the general size, shape and position of features in your drawings. If you view a head from the front, its width is approximately two thirds of its height. If you view a head from the side, its width is approximately seven eighths of its height. .The proportions of the head can be divided horizontally into four equal quarters. .