Our atmospheric pressure is the pressure at any given point in the Earth's atmosphere. In most circumstances atmospheric pressure is closely approximated by the hydrostatic pressure caused by the weight of air above the measurement point.
Formula: Pressure p = force F / area A
Pressure p in pascals (Pa)
Force F in newtons / square meters (m²)
Area A in sqare meters (m)
The standard atmosphere, symbol: atm, is a unit of pressure and is defined as being precisely equal to 101325 pascals.
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