The present invention is to provide to provide a measuring and printing device by which an operation for replacing a label paper can be performed from the front face of the device and a desired size of the operation screen (display operation unit) can be employed independently of a size of a printer. The measuring and printing device comprises a measuring unit in which a measuring tray is disposed over load cells, and a printing unit for printing prescribed particulars such as the value measured by the measuring unit, wherein the printing unit is disposed substantially at the center of the device and a display operation unit is disposed at the front side of the device, and when the display operation unit has opened, the printing unit is exposed such that a paper can be replaced.