{{wiktionary|scale|scales}} '''Scale''' or '''scales''' may refer to: {{TOC right}}
==Mathematics== * Scale (descriptive set theory), an object defined on a set of points * Scale (ratio), the ratio of a linear dimension of a model to the corresponding dimension of the original * Scale factor, a number which scales, or multiplies, some quantity * Long and short scales, how powers of ten are named and grouped in large numbers * Scale parameter, a description of the spread or dispersion of a probability distribution * Feature scaling, a method used to normalize the range of independent variables or features of data * Scale (analytical tool)
==Measurements== * Scale (map), the ratio of the distance on a map to the corresponding actual distance * Scale (geography) * Weighing scale, an instrument used to measure mass * Scale (ratio), the ratio of the linear dimension of the model to the same dimension of the original * Spatial scale, a classification of sizes * Scale ruler, a tool for measuring lengths and transferring measurements at a fixed ratio of length * Vernier scale, the scale on calipers
==Music== * Scale (music), a sequence of ordered musical notes * Scale (string instruments), the sounding length of the strings of an instrument * ''Scale'' (album), a 2006 album by electronic artist Matthew Herbert * "The Scale", a song from ''Our Love to Admire'' by Interpol
==Film and television== * ''Scale'' (film), an animated short film directed by Joseph Pierce * ''Scales'' (film), a 2019 Saudi Arabian film * "Scales" (''The Cape''), a 2011 television episode
==Science == ===Biology=== * Scale (zoology), a rigid plate which grows out of the skin of various animals **Fish scale **Reptile scale ***Snake scale * Scale (dermatology), a secondary skin lesion in humans that resembles animal scales * Scale (insect anatomy), a feature of the wings of moths and butterflies * Scale, a type of trichome, any flat epidermal outgrowth in botany * Bulb scale, the storage layers of a plant bulb * Scale insect, a waxy coated animal that resembles a fish scale
===Chemistry and materials science=== * Fouling, sometimes called {{em|scale}}, a buildup of unwanted substances on a submerged surface * Limescale, a hard, chalky deposit that often builds up inside kettles, hot water boilers, and pipework * Mill scale, the flaky surface on hot rolled steel, consisting of iron oxides * Scale (chemistry), the range of mass or volume of a chemical reaction or process
===Social sciences=== * Rating scale, a type of informational measurement scale * Scale (analytical tool), a concept in the study of complex systems and hierarchy theory * Scale (social sciences), a tool for ordering entities by quantitative attributes
==Places== * Scales, California, a community in the United States * Scales, Lancashire, part of the village of Newton-with-Scales * Scales, near Kirkoswald, Cumbria, a hamlet * Scales, Aldingham, Cumbria, England, a village * ''The Scales'', the initial climb of the Chilkoot Pass
==Other uses== * Scales (surname) * Baron Scales, a title in the Peerage of England * Libra (constellation), also known as "the scales", or the namesake astrological sign * ''Mizan'' (''Scale'' in English), a treatise on Islam by Javed Ahmed Ghamidi * Pay scale, a system or structure of compensation for work * Scale armour, an early form of armor * Southern California Linux Expo, an open-source software conference held in Los Angeles, California * ''Scale'' (novel), science fiction novel by Greg Egan
==See also== * Scala (disambiguation) * Scalability, a concept in business, computer science, and electronics * Scali (disambiguation) * Scaling (disambiguation)
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