Scale can refer to: Measuring implements Length Architect's scale, a ruler-like device which facilitates the production of technical drawings Engineer's scale, a ruler-like device similar to the Architect's scale Weight Weighing scale, an instrument used in measuring weight Medical Scale (dermatology), a secondary skin lesion Miniaturization Scale model Rail transport modelling scales (model railroading) Music Musical scale, a domain of musical notes Scale (string instruments), t… (More on Scales)