Gauge
Encyclopedia

In measurement

• Gauge (instrument), any of a variety of measuring instruments
• For gauges on a car dashboard, see Dashboard > Dashboard items
• Gauge blocks, metal blocks of precisely known length, used in measuring
• American wire gauge
American wire gauge
American wire gauge , also known as the Brown & Sharpe wire gauge, is a standardized wire gauge system used since 1857 predominantly in the United States and Canada for the diameters of round, solid, nonferrous, electrically conducting wire...

, a measurement of diameter of a wire
• Gauge (bore diameter)
Gauge (bore diameter)
The gauge of a firearm is a unit of measurement used to express the diameter of the barrel. Gauge is determined from the weight of a solid sphere of lead that will fit the bore of the firearm, and is expressed as the multiplicative inverse of the sphere's weight as a fraction of a pound . Thus...

, the diameter of a shotgun barrel
• Wire gauge
Wire gauge
Wire gauge is a measurement of how large a wire is, either in diameter or cross sectional area. This determines the amount of electric current a wire can safely carry, as well as its electrical resistance and weight per unit of length...

, a measurement of the cross-sectional area of a wire
• American wire gauge
American wire gauge
American wire gauge , also known as the Brown & Sharpe wire gauge, is a standardized wire gauge system used since 1857 predominantly in the United States and Canada for the diameters of round, solid, nonferrous, electrically conducting wire...

, a measurement of diameter of a wire
• Stubs Iron Wire Gauge
Stubs Iron Wire Gauge
The Stubs Iron Wire Gauge system is used to specify thickness or diameter of metal wire, strip, and tube products...

, which corresponds to the diameter of a hypodermic needle
• 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
Sight glass
A sight glass or water gauge is a transparent tube through which the operator of a tank or boiler can observe the level of liquid contained within.-Liquid in tanks:...

for measuring liquid level heights in storage tanks and pressure vessels
• Boost gauge
Boost gauge
A boost gauge is a pressure gauge that indicates manifold air pressure or turbocharger or supercharger boost pressure in an internal combustion engine...

, a gauge used in conjunction with turbo-super-chargers
• Pressure gauge or vacuum gauge (see pressure measurement
Pressure measurement
Many techniques have been developed for the measurement of pressure and vacuum. Instruments used to measure pressure are called pressure gauges or vacuum gauges....

)
• Stream gauge
Stream gauge
A stream gauge, stream gage or gauging station is a location used by hydrologists or environmental scientists to monitor and test terrestrial bodies of water. Hydrometric measurements of water surface elevation and/or volumetric discharge are generally taken and observations of biota may also be...

for measuring height and discharge of a river or stream
• The size of piercing jewelry thickness and a stretched piercing (see stretching (body piercing)
Stretching (body piercing)
Stretching, in the context of body piercing, is the deliberate expansion of a healed fistula for the purpose of wearing body piercing jewelry. Ear piercings are the most commonly stretched piercings, with nasal septum piercings, tongue piercings and lip piercings/lip plates following close behind...

)
• Film gauge
Film gauge
Film gauge is a physical property of photographic or motion picture film stock which defines its width. Traditionally the major film gauges in usage are 8 mm, 16 mm, 35 mm, and 65/70 mm...

, 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
Air core gauge
An air core gauge is a specific type of rotary actuator in an analog display gauge that allows an indicator to rotate a full 360 degrees. It is used in gauges and displays, most commonly automotive instrument clusters....

, a type of rotary actuator often used in automotive instruments
• Needle gauge for comparing outer diameter of medical needles

In railway practice

• Rail gauge
Rail gauge
Track gauge or rail gauge is the distance between the inner sides of the heads of the two load bearing rails that make up a single railway line. Sixty percent of the world's railways use a standard gauge of . Wider gauges are called broad gauge; smaller gauges, narrow gauge. Break-of-gauge refers...

, the distance between the two rails forming a railroad track
• Standard gauge
Standard gauge
The standard gauge is a widely-used track gauge . Approximately 60% of the world's existing railway lines are built to this gauge...

• Narrow gauge railway
Broad-gauge railways use a track gauge greater than the standard gauge of .- List :For list see: List of broad gauges, by gauge and country- History :...

A loading gauge defines the maximum height and width for railway vehicles and their loads to ensure safe passage through bridges, tunnels and other structures...

, the maximum width and height of engines and loaded wagons, etc.
• Structure gauge
Structure gauge
The structure gauge, also called the minimum clearance outline, is the minimum height and width of tunnels and bridges as well as the minimum height and width of the doors that allow a rail siding access into a warehouse...

, the minimum size of bridges, tunnels, platforms, etc.
The axle load of a wheeled vehicle is the total weight felt by the roadway for all wheels connected to a given axle. Viewed another way, it is the fraction of total vehicle weight resting on a given axle...

, the maximum weight of axles for a given track
• Break of gauge

In other contexts

• Gauge, Inc., a manufacturer of microphones and audio accessories
• Gauge (knitting)
Gauge (knitting)
In knitting, the word gauge is used both in hand knitting and machine knitting; the latter, technical abbreviation GG, refers to "Knitting Machines" fineness size. In both cases, the term refers to the number of stitches per inch, not the size of the finished garment...

, the number of stitches in a given length
• Change of gauge (aviation)
Change of gauge (aviation)
In air transport change of gauge for a passenger or cargo means a change of aircraft without the change of flight number. The term is borrowed from and in analogy with the rail transport practice of gauge change....

, when an aircraft type changes at a stopping point of a direct flight
• Gauge (person), the stage name of a pornographic actress
• Gauge (band)
Gauge (band)
Gauge was a post hardcore band from the northwest suburbs of Chicago, Illinois.- Band history :From the ashes of the bands Ivy League and Target, Gauge formed at the beginning of 1991. Highly regarded in Chicago's northwest suburban punk scene, they inspired and performed with other bands from the...

, post-hardcore band from Chicago, Illinois, USA
• 12 Gauge, a Canadian country music group (see Emerson Drive
Emerson Drive
Emerson Drive is a country music band founded in Grande Prairie, Alberta, Canada in 1995. The band is Brad Mates , Danick Dupelle , Mike Melancon , Dale Wallace , and David Pichette .Early on, the band found minor success in Canada, releasing two albums under the name of 12 Gauge, the first Open...

)
• 12 Gauge (rapper), a 1990s rapper from Augusta, Georgia, USA
• Stretching (body piercing)
Stretching (body piercing)
Stretching, in the context of body piercing, is the deliberate expansion of a healed fistula for the purpose of wearing body piercing jewelry. Ear piercings are the most commonly stretched piercings, with nasal septum piercings, tongue piercings and lip piercings/lip plates following close behind...

, which is often referred to as "gauges"/"gauging".