How to draw head from any angle

The Basic Form 

Learn draw the head from different angles you must first understand its basic structure. You need a basic understanding of the perspective to help set up the direction. So, Ignore the features and simplify to the most basic form of the head. What I usually do is simplify the shape of the head. I would look at it as geometry form, then turn the angle to match its perspective. Heads are not perfect circles, and they are not perfect ovals either. You can think of them as a kind of egg-shaped, with the tapered end towards the bottom. But this varies from male to female jaw line. 

Here are few examples showing the face looking down side ways, up side ways. You can use them as a reference to start sketching it out. But when doing without reference photos, you quickly realize where your weaknesses are and then can master it.

Notice with the angle of the head the axis of the eye ball also changes with the way the head turns to a certain direction. Notice how the shape of jaw changes from from various angle. Practice inventing the head from all possible angles. This is a tricky skill to master but gets easier with time and practice.