what is air pressure state the unit to measure pressure
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Atmospheric pressure, sometimes also called barometric pressure, is the pressure within the atmosphere of Earth. The standard atmosphere is a unit of pressure defined as 1013.25 mbar, equivalent to 760 mmHg, 29.9212 inches Hg, or 14.696 psi.
It's unit is:
Pascal
As mentioned, a mercurial barometer makes measurements in inches of Mercury (in Hg). This unit is commonly used in aviation in the U.S. Pounds per squareinch (abbreviated as p.s.i.) is common in the English system of units, and the pascal (abbreviated Pa) is the standard in the Metric (SI) system.
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It's unit is:
Pascal
As mentioned, a mercurial barometer makes measurements in inches of Mercury (in Hg). This unit is commonly used in aviation in the U.S. Pounds per squareinch (abbreviated as p.s.i.) is common in the English system of units, and the pascal (abbreviated Pa) is the standard in the Metric (SI) system.
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The air pressure is the force exerted onto a surface by the weight of the air. An example of air pressure is the average sea-level air pressure of 101.325 kPA.
The unit to measure pressure is PASCAL
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