The height measuring device is movably positioned on a scale surface, the height measuring device comprises: a bracket repeatedly attached to or detached from the scale surface and a measuring unit assembled with the bracket, wherein the measuring unit includes a folding position and an extending position relative to the bracket, the measuring unit is close to the bracket in the folding position, and the measuring unit is perpendicular to the scale surface in the extending position. Then, it is convenient to accurately measure the height of users at kinds of objects with a scale surface.本新型為一種身高量測器,用以可活動的定位在一刻度面,身高量測器包含一支架及一量測件,其中支架可重覆的貼附在刻度面或自刻度面移除,而量測件組設於支架,且相對於支架具有一靠攏支架的收合位置以及一垂直於刻度面之展開位置;藉此,本新型可使用於各種具有刻度面之物體,且搭配支架及量測件器更能夠準確量測身高。10‧‧‧支架11‧‧‧承載板12‧‧‧延伸板13‧‧‧磁性元件20‧‧‧量測件
