Abstract: The present disclosure is directed to an apparatus for simultaneously measuring and cutting 4.times.8 panels of sheetrock having a measuring unit which has a stylus supported thereon for both vertical and horizontal movement to trace out the outline from a ceiling or wall of a panel of sheetrock to be cut directly form the wall or ceiling upon which the panel is to be installed. The cutting unit has sawing means mounted thereon for both vertical and horizontal movement positionable over a stack of 4.times.8 sheetrock panels. Electrical means connects the measuring unit to the cutting unit so that the sawing means on the cutting unit cuts a 4.times.8 panel of sheetrock both vertically and horizontally simultaneously as outlined by the stylus of the measuring unit outling the area to be paneled.