Gauge

Gauge ( /ˈɡeɪdʒ/) may refer to:

In measurement

• Gauge (instrument), any of a variety of measuring instruments
  • For gauges on a car dashboard, see Dashboard items
• Gauge blocks, metal blocks of precisely known length, used in measuring
• Gauge (bore diameter), the diameter of a shotgun barrel
• Wire gauge, a measurement of the cross-sectional area of a wire
  • American wire gauge, a measurement of diameter of a wire
  • Stubs Iron Wire Gauge, which corresponds to the diameter of a hypodermic needle
  • See also Category:Wire gauges
• Unit of thickness used for thin plastics; 1 gauge = 1/100 mil = 1/100,000 inch = 25.4/100000 millimetre = 0.254 micrometre
• Sheet metal gauge, thickness of metal in sheet form
• Sight glass or water gauge for measuring liquid level heights in storage tanks and pressure vessels
• Boost gauge, a gauge used in conjunction with turbo-super-chargers
• Pressure gauge or vacuum gauge (see pressure measurement)
• Stream gauge for measuring height and discharge of a river or stream
• The size of piercing jewelry thickness and a stretched piercing (see stretching (body piercing))
• Film gauge, a physical property of film stock which defines its size
• ANOVA gauge R&R, a statistical tool to measure variation arising from the measurement device and its operators
• Air core gauge, a type of rotary actuator often used in automotive instruments
• Needle gauge for comparing outer diameter of medical needles

In mathematics and physics

• Gauge theory
• Gauge integral
• Gauge fixing

In railway practice

• Track gauge, the distance between the two rails forming a railroad track
• Loading gauge, the maximum width and height of engines and loaded wagons, etc.
• Structure gauge, the minimum size of bridges, tunnels, platforms, etc.
• Axle load, the maximum weight of axles for a given track

In other contexts

• Gauge, Inc., a manufacturer of microphones and audio accessories
• Gauge (knitting), the number of stitches in a given length
• Change of gauge (aviation), when an aircraft type changes at a stopping point of a direct flight
• Gauge (entertainer), American pornographic actress
• Gauge (band), post-hardcore band from Chicago, Illinois, USA
• 12 Gauge, a Canadian country music group (see Emerson Drive)
• 12 Gauge (rapper), a 1990s rapper from Augusta, Georgia, USA

See also

• Gage (disambiguation)