An Atmosphere (atm) is a standardised unit of pressure.
1 atm = 101,325 PA
It is not an SI unit but it is widely used and very useful in situations, such as this, where pressure relative to atmospheric pressure is relevant.
1 atm = 101,325 PA
It is not an SI unit but it is widely used and very useful in situations, such as this, where pressure relative to atmospheric pressure is relevant.
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