Level determination for washing machine

A washing machine 1 has a fillable with fluid F tub 2 within which a horizontally rotatable laundry drum 3 is accommodated, which laundry drum 3 has on its inner side 4 at least one driver 5, wherein the washing machine is set 1 to h a level or h1 to determine the fluid F and the washing machine 1 is set up to the level h and h1 to determine with reference to an immersion of at least one drive element 5 in the liquid F.