Bar (unit)
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The bar is a metric unit of pressure defined as 100000 Pa, though not part of the International System of Units. A pressure of 1 bar is slightly less than the average atmospheric pressure on Earth at
An aluminium cylinder of wall thickness 5 millimetres (0.20 in) after an external pressure of 700 bar was applied to it
A tire-pressure gauge displaying bar (outside) and pounds per square inch (inside)
Standard atmosphere (unit)
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The standard atmosphere is a unit of pressure defined as 101325 Pa. It is sometimes used as a reference pressure or standard pressure. It is approximately equal to Earth's average atmospheric pressure
Bar (unit)
…1000000 Ba (barye; in CGS units (this has also been called "bar"); and 1 bar is approximately equal to: 0.98692327 atm 14.503774 psi…
Aneroid barometer for household use from c. 1925