This Measuring and Drafting Tool relates to a new and useful type of measuring and drafting tool that may be used to accomplish a plurality of functions using a singular tool. These functions include application as a ruler, straight edge, T-square, square or squaring tool, center gage, an edge transcribing and duplicating tool, and as a tool for striking circles and circle arcs. Some modified embodiments of the Measuring and Drafting Tool are also capable of angle measurement and protractor functions, and may also include one or more bubble levels incorporated into the ruler segments, thereby allowing the user to check if a horizontal surface is level.