en.wikipedia.org/wiki/Atmospheric_pressure

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

www.engineeringtoolbox.com/air-altitude-pressure-d_462.html

Elevation above sea level - in feet and meter - with barometric and atmospheric
pressure - inches mercury, psia, kg/cm 2 and kPa.

www.avs.org/AVS/files/c7/c7edaedb-95b2-438f-adfb-36de54f87b9e.pdf

AtmPres at Diff Altitudes.doc. Atmospheric Pressure at Different Altitudes. Altitude
Above Sea Level Temperature. Barometric Pressure. Atmospheric Pressure.

www.srh.noaa.gov/srh/jetstream/atmos/pressure.html

Air pressure can be increased (or decreased) one of two ways. First, simply ... At
sea level, standard air pressure is 29.92 inches of mercury. Millibars comes ...

ww2010.atmos.uiuc.edu/(Gh)/guides/mtr/fw/prs/def.rxml

Atmospheric pressure is defined as the force per unit area exerted against a
surface ... At sea level, the weight of the air above this unit area would (on
average) ...

usatoday30.usatoday.com/weather/wbarocx.htm

Air pressure is related to its density, which is related to the air's temperature and
... You need to calculate, sea-level pressure, which is defined as: "A pressure ...

atmo.tamu.edu/class/atmo202/Pressuredir/pressure-pg5.html

Thus, we say that average sea level pressure is 14.7 pounds per square inch. In
the metric ... There are several units used to express atmospheric pressure.

www.ambientweather.com/sebaprco.html

Sea-level Barometric Pressure Correction at AmbientWeather.com. Buy weather
stations, wireless weather stations, emergency radios, barometers, hygrometers ...

www.dictionary.com/browse/atmospheric-pressure

Atmospheric pressure definition, the pressure exerted by the earth's ... At sea
level, atmospheric pressure has an average value of one atmosphere and ...

nationalgeographic.org/encyclopedia/atmospheric-pressure/

May 14, 2011 ... An atmosphere (atm) is a unit of measurement equal to the average air pressure
at sea level at a temperature of 15 degrees Celsius (59 ...