Pascal (unit)
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The pascal is the unit of pressure in the International System of Units. It is also used to quantify internal pressure, stress, Young's modulus, and ultimate tensile strength. The unit, named after Bl
A pressure gauge reading in psi (red scale) and kPa (black scale)
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)