The invention relates to a measuring device for measuring the length of elongated profiles (100, 101, 102, 103) disposed in a longitudinal direction, particularly of pipes, between at least two opposing measuring sides (2, 3), of which at least one can be displaced on a measuring side (2, 3) in the longitudinal direction (L) until both ends (110, 111, 112, 113; 120, 121, 122, 123) of the elongated profile (100, 101, 102, 103) come in contact with each other, and at least one of the measuring sides (2, 3) has at least one measuring ram (10, 11, 12, 13), comprising at least two ribs (51a, 51b, 52a, 52b) that extend at a distance to each other transversely to the longitudinal direction (L) and can be displaced elastically back and forth in the longitudinal direction (L).