The invention provides an electronic weighing scale possibly thinned overall characterized by comprising a top plate component (20) allowing on the top surface thereof placement of an object to be weighed; and load cell units (30) supporting the top plate component (20) from the lower side thereof, wherein the top plate component (20) is provided with mounting holes (22) so as to extend therethrough in the thickness-wise direction, allowing therein attachment of cup components (40) each having an opening (42) opened downward, and each load cell unit (30)is attached inside each cup component (40).