Weighing device of the electronic bathroom scale type comprising four feet, respectively left front, right front, left rear, and right rear, the left front foot comprising a left front load cell, the right front foot comprising a right front load cell, the left rear foot comprising a left rear load cell, and the right rear foot comprising a right rear load cell, each load cell comprising at least two resistors (15,16; 17,18; 19,20; 21,22), the load cells being combined in a Wheatstone bridge type of assembly comprising: - a first branch and a second branch, the first and second branches being mounted in parallel between a reference voltage (Vs) and a ground potential (Gnd), the first and second branches being arranged on either side of a first axis of symmetry passing through the reference voltage and the ground potential; - a first intermediate point, on the first branch, and a second intermediate point, on the second branch, the first and second branch comprising the same number of resistors on either side of the first and second intermediate point, respectively, in order to define a second axis of symmetry passing through the first and second intermediate points; and characterized by - a first auxiliary circuit, configured to selectively short-circuit two resistors belonging to the same first foot or to two neighboring first feet in the bathroom scale, the first auxiliary circuit being symmetrical relative to the first axis or the second axis, the assembly being controlled by an electronic control unit, to estimate a weight and to estimate an offset of a user on the bathroom scale. each load cell comprising at least two resistors (15,16; 17,18; 19,20; 21,22), the load cells being combined in a Wheatstone bridge type of assembly comprising: - a first branch and a second branch, the first and second branches being mounted in parallel between a reference voltage (Vs) and a ground potential (Gnd), the first and second branches being arranged on either side of a first axis of symmetry passing through the reference voltage and the ground potential; - a first intermediate point, on the first branch, and a second intermediate point, on the second branch, the first and second branch comprising the same number of resistors on either side of the first and second intermediate point, respectively, in order to define a second axis of symmetry passing through the first and second intermediate points; and characterized by - a first auxiliary circuit, configured to selectively short-circuit two resistors belonging to the same first foot or to two neighboring first feet in the bathroom scale, the first auxiliary circuit being symmetrical relative to the first axis or the second axis, the assembly being controlled by an electronic control unit, to estimate a weight and to estimate an offset of a user on the bathroom scale. - a first branch and a second branch, the first and second branches being mounted in parallel between a reference voltage (Vs) and a ground potential (Gnd), the first and second branches being arranged on either side of a first axis of symmetry passing through the reference voltage and the ground potential; - a first intermediate point, on the first branch, and a second intermediate point, on the second branch, the first and second branch comprising the same number of resistors on either side of the first and second intermediate point, respectively, in order to define a second axis of symmetry passing through the first and second intermediate points; and characterized by - a first auxiliary circuit, configured to selectively short-circuit two resistors belonging to the same first foot or to two neighboring first feet in the bathroom scale, the first auxiliary circuit being symmetrical relative to the first axis or the second axis, the assembly being controlled by an electronic control unit, to estimate a weight and to estimate an offset of a user on the bathroom scale.