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## Atmospheric pressure

en.wikipedia.org/wiki/Atmospheric_pressure

Atmospheric pressure, sometimes also called barometric pressure, is the pressure exerted by the weight ...

## What units are used to measure air pressure? | Reference.com

www.reference.com/science/units-used-measure-air-pressure-674eab80d8ba615f

Air pressure, the force exerted on a mass by the weight of air particles, is measured in either inches of mercury or in millibars, represented by inHg and mb , ...

## What is barometric pressure and units of measurement for ...

Barometric pressure is also known as air pressure or atmospheric pressure and derives its name from the instrument used to measured it called a Barometer.

## Atmospheric Pressure - HyperPhysics

hyperphysics.phy-astr.gsu.edu/hbase/pman.html

Since static fluid pressure is determined by the fluid density and depth, the depth or height ... The standard atmospheric pressure is measured in various units: ...

## Atmospheric pressure - Units of Measurement Wiki - Wikia

units.wikia.com/wiki/Atmospheric_pressure

Atmospheric pressure is the pressure above any area in the Earth's atmosphere ... As with the Units of Measurement wiki, the text of the engineering wiki is ...

## barometer - National Geographic Society

nationalgeographic.org/encyclopedia/barometer/

Jun 19, 2014 ... A barometer measures atmospheric pressure in units of measurement called atmospheres or bars. An atmosphere (atm) is a unit of ...

## What is air pressure measured in? | Yahoo Answers

Mar 1, 2009 ... I need to know what air pressure is measured in because i need to answer it for homework. I want to know the unit of measurment. THANKS =)

## Barometric Pressure Units - Measurement Standards Laboratory of ...

msl.irl.cri.nz/sites/all/files/training-manuals/TG19-July-2009.pdf

Jun 19, 2009 ... A barometer measures the air pressure of the Earth's atmosphere. ... The pascal ( Pa) is the metric (SI) unit of pressure and is defined as a force ...

## What is a pressure unit "atmosphere" (atm) - Aqua-Calc

www.aqua-calc.com/what-is/pressure/atmosphere

The atmosphere (atm) definition and its relation to other pressure measurement units. Online unit conversions and unit conversion tables.

## CHAPTER 2. ATMOSPHERIC PRESSURE

acmg.seas.harvard.edu/people/faculty/djj/book/bookchap2.html

The atmospheric pressure is the weight exerted by the overhead atmosphere on a unit area of surface. It can be measured with a mercury barometer, consisting ...

### Measuring Atmospheric Pressure - Windows to the Universe

www.windows2universe.org

Jun 11, 2010 ... Let's look at how atmospheric pressure is measured. For a long ... Atmospheric pressure can be recorded and reported in many different units.

### standard atmosphere | unit of measurement | Britannica.com

www.britannica.com

Standard atmosphere, unit of pressure, equal to the mean atmospheric pressure at sea level. It corresponds to the pressure exerted by a vertical column of ...

### measurement of atmospheric pressure - WMO

www.wmo.int

The basic unit for atmospheric pressure measurements is the pascal (Pa) (or .... Some instruments measure the temperature of the pressure sensor in order to ...