Embodiments of a hair cutting device for use with automated hair cutting systems are disclosed herein. In one embodiment, a hair cutting device comprises a body having a proximal end and a distal end. A cutter head is attached to the distal end of the body, the cutter head configured for manipulating and cutting hair. The hair cutting device further comprises a plurality of sensors coupled to the body for sensing a position of the cutter head relative to a user's head.