||Look up gauge in Wiktionary, the free dictionary.|
Gauge (US: , UK: or ) may refer to:
- Gauge (instrument), any of a variety of measuring instruments
- Gauge block, a metal block of precisely known dimension, used in measuring
- 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
- Air core gauge, a type of rotary actuator often used in automotive instruments
- Gauger, one who gauges or measures, typically dutiable commodities, such as wine, landed from ships at docks
- 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.
- Axle load, the weight that an axle exerts on track
- Variable gauge, system to allow railway vehicles to travel across a break of gauge
Mathematics and physics