Scale can refer to:

• Scale (computing)
• Scale (map)
• Scale (music)
• Scale (ratio)
• Scale (spatial)
• Scale (zoology)
• Units of temperature
• Logarithmic scale, mathematics
• Order of magnitude
• Scale factor
• Stanley Stevens' Scales of measurement (1946): nominal, ordinal, interval, ratio
• Duration scale
• Architect's scale — (or draughtsman's scale) is a ruler-like device, which facilitates the production of technical drawings.
• Engineer's scale
• Weighing scale — used for measurement of weight (mass or force)
• Zadok scale cereal development
• Zoology: Scale insect, plant parasites which resemble animal scales
• Geosciences: Mohs scale of mineral hardness
• Atmospheric sciences: Celsius scale, Fahrenheit scale, Kelvin scale, Saffir-Simpson Hurricane Scale, Fujita scale (tornadoes), Beaufort scale (wind)
• Screen Actors Guild wage standards

Astronomy

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• Scale factor (Universe)
• Large-scale structure of the cosmos
• Palermo Technical Impact Hazard Scale
• Torino Scale
• Solar flare energy intensity

Chemistry and physics

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• Kelvin scale measures Thermodynamic temperature
• Mulliken scale electronegativity
• Hounsfield scale (radiodensity)
• Allred-Rochow scale, Mulliken scale, Pauling scale

Economics

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• Scale (economics)
• Resource-Based Relative Value Scale, returns to scale

Music

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• Scale (music)
  • Bohlen-Pierce scale, chromatic scale, Deutsch's scale illusion, diminished scale, mathematics of musical scales, minor scale
• Scale (string instruments)

Scale models

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• Scale model
• 2 mm scale, HO scale, O scale

Seismology

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• European Macroseismic Scale (EMS)
• INQUA scale
• Medvedev-Sponheuer-Karnik (MSK) scale
• Modified Mercalli (MM) scale
• Mercalli-Cancani-Sieberg (MCS) scale
• Mercalli-Wood-Neuman (MWN) scale
• Moment magnitude (Mw) scale
• Omori scale
• Richter scale
• Rossi-Forel scale
• Shindo scale

Social science

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• Scale (social sciences)
• Clinical Global Impression scale and the Clinical Global Impression Improvement scale
• Kinsey scale, sexual orientation (Klein scale is more detailed but not yet as well known)
• Likert scale, questionnaire format
• Phrase completion scales, questionnaire format
• Social stratification, socioeconomic class

Scales named after people

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Scales with special uses are often named after the person who invented them.

• The Richter magnitude scale is a mathematical device to compare the size of earthquakes.
• The Medvedev-Sponheuer-Karnik scale and the Mercalli scale are used to measure the intensity of earthquakes.
• The Beaufort scale is used to measure wind force.
• The Celsius, Fahrenheit, and Kelvin scales (among Units of temperature) measure temperature.
• The Goldberg scale measures mania and depression.
• The Liebowitz social anxiety scale measures the severity of social anxiety disorder.
• The Scoville Scale measures the hotness of peppers.
• The Glasgow Coma Scale measures the severity of comas.
• The Fujita scale estimates the intensity of tornadoes.
• The Torino Scale and the Palermo scale measure the impact hazard level of near-Earth objects such as asteroids.

Miscellaneous

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• Chain of being
• Hierarchy
• Time scales: Historical periods, Geologic periods

See also

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• Level of measurement
• Scaling (geometry)
• Scaling

Scales

Stupnice | Skala | Schuppe | Escala | Échelle | Escala | Skalo | סקאלה | Schaal | Skala | Escala | Asteikko