Method for determining the flow profile in the measuring tube of a magnetic-inductive flowmeter, wherein the flowmeter has at least one measuring transducer and at least one measuring sensor, wherein the measuring sensor has at least one measuring tube, at least one first coil for generating a first magnetic field within the measuring tube, at least one second coil for generating a second magnetic field within the measuring tube, at least one first electrode and at least one second electrode, wherein the first electrode and the second electrode are arranged on the measuring tube for measuring a voltage occurring in the fluid, and wherein the transducer has at least one control and evaluation unit, wherein a means for generating a reference potential is provided, wherein the means for generating the reference potential is designed as a reference electrode or as an grounding ring, wherein the first and second electrodes are arranged diametrically such that the line connecting the electrodes is arranged perpendicularly with respect to a magnetic field generated by the first and second coils in the same direction for determining the flow velocity of the fluid, and wherein the method comprises the following steps: - supplying the first coil with current to generate a first magnetic field with a first exciting current, - supplying the second coil with current to generate a second magnetic field with a second exciting current, - measuring a first voltage E 1 at the first electrode compared to the reference potential, - measuring a second voltage E 2 at the second electrode compared to the reference potential, characterized in that the method comprises the following steps: - determining (17, 18, 19, 20) a vertical and/or horizontal asymmetry of the flow profile from the first measured voltage value E 1 and from the second measured voltage value E 2, wherein the voltage drop in individual partial areas of the measuring tube or the flow cross-section is measured separately compared to the reference potential, wherein different measurement states can be generated by varying the magnetic field within the measuring tube or the magnetic fields generated by the individual coils, and wherein by the separate measurement of the voltages E 1 and E 2 at each electrode in the different measurement states the flow profile in the individual partial areas is characterized by the effect of different magnetic fields, and wherein a plurality of flow profiles are stored in the evaluation unit in the form of different voltage ratios between the voltage E 1 measured at the first electrode and the voltage E 2 measured at the second electrode, taking into account the different measurement states, and that the vertical and/or horizontal asymmetry of the flow profile is determined by means of a query with respect to these voltage ratios. a means for generating a reference potential is provided, wherein the means for generating the reference potential is designed as a reference electrode or as an grounding ring, wherein the first and second electrodes are arranged diametrically such that the line connecting the electrodes is arranged perpendicularly with respect to a magnetic field generated by the first and second coils in the same direction for determining the flow velocity of the fluid, and wherein the method comprises the following steps: - supplying the first coil with current to generate a first magnetic field with a first exciting current, - supplying the second coil with current to generate a second magnetic field with a second exciting current, - measuring a first voltage E 1 at the first electrode compared to the reference potential, - measuring a second voltage E 2 at the second electrode compared to the reference potential, - supplying the first coil with current to generate a first magnetic field with a first exciting current, - supplying the second coil with current to generate a second magnetic field with a second exciting current, - measuring a first voltage E 1 at the first electrode compared to the reference potential, - measuring a second voltage E 2 at the second electrode compared to the reference potential, characterized in that the method comprises the following steps: - determining (17, 18, 19, 20) a vertical and/or horizontal asymmetry of the flow profile from the first measured voltage value E 1 and from the second measured voltage value E 2, - determining (17, 18, 19, 20) a vertical and/or horizontal asymmetry of the flow profile from the first measured voltage value E 1 and from the second measured voltage value E 2, wherein the voltage drop in individual partial areas of the measuring tube or the flow cross-section is measured separately compared to the reference potential, wherein different measurement states can be generated by varying the magnetic field within the measuring tube or the magnetic fields generated by the individual coils, and wherein by the separate measurement of the voltages E 1 and E 2 at each electrode in the different measurement states the flow profile in the individual partial areas is characterized by the effect of different magnetic fields, and wherein a plurality of flow profiles are stored in the evaluation unit in the form of different voltage ratios between the voltage E 1 measured at the first electrode and the voltage E 2 measured at the second electrode, taking into account the different measurement states, and that the vertical and/or horizontal asymmetry of the flow profile is determined by means of a query with respect to these voltage ratios.