A '''gauge''' is any device used to measure something, such as a tire pressure gauge or altitude gauge.
A '''gauge''' is any device used to measure something, such as a tire pressure gauge or altitude gauge.
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Not to be confused with [[Bore Diameter|shotgun gauge]], used to measure the diameter of a [[shotgun]]'s [[barrel]].
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The word is also used as a sort of unit of measurement of something, when a simple measurement in, for example, inches or millimeters, is not convenient. In general, higher gauge numbers mean smaller or thinner dimensions, though the exact correspondence depends on the thing being measured and is determined by convention. Things being measured this way include