Abstract: Provided is a measuring device configured to measure an outer shape of a metal plate containing a magnetic body. The measuring device includes a stage on a front face of which the metal plate is set, a light source configured to radiate light toward the stage, an image acquisition unit configured to acquire an image of the metal plate, a plurality of magnetic force generation units configured to generate magnetic force on a back face side of the stage, and a controller configured to control positions at which the magnetic force is generated.