The three‐dimensional orientation distribution function of crystallites in cold‐rolled copper sheets has been calculated from 512 individual selected area electron‐diffraction orientation determinations as well as from (111), (200), and (220) pole figures which were determined by x‐ray diffraction. In both cases tube‐shaped orientation distributions with comparable dispersion were obtained. In case of the electron‐diffraction data the orientation density decreases from a value of 15 times the random distribution value at the brass orientation, (101) [1¯2¯1], to a value of only five times the random distribution value at the orientation (112) [4¯6¯5]. A second density maximum appears in the vicinity of the orientation (213) [4¯7¯5]. The width at half‐maximum intensity of the spread in the direction perpendicular to the axis of the tube amounts to about 5°. The accuracy and uniqueness of the calculated orientation distribution function are discussed.