Gauge

Gauge (US /ˈɡeɪdʒ/, UK /ˈɡɔːdʒ/) 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, also known as a 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 wire used in making jewelry: see Jewelry wire gauge
• The thickness of body jewelry, regardless of material: see Body jewelry sizes
• 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
• Gauge boson
• Gauge (Minkowski functional)

In railway practice

• Track gauge, the distance between the two rails forming a railway track
• Loading gauge, the maximum width and height of vehicles (engines, loaded wagons, etc).
• Structure gauge, the minimum size of bridges, tunnels, platforms, etc.
  • always bigger than loading gauge
• Axle load, the weight that an axle exerts on 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 (pornographic actress), 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
• Gauge can refer to the size of objects used to stretch ear piercings.

See also

• Gage (disambiguation)