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How much weight of the earths atmosphere exerts a pressure at sea level?

Answer:

14.7lb/in² at sea level plus or minus atmospheric pressure at the time.

First answer by Cjonb. Last edit by Cjonb. Contributor trust: 1199 [recommend contributor ]. Question popularity: 1 [recommend question].

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Relevant answers:

Why does atmosphere exert pressure on earth?
The atmosphere is made up of gasses. Gasses are physical substances, and all physical substance has weight. The atmosphere is 25 miles thick, and that 25 miles thick layer of gasses presses down on...
What is the pressure of earth's atmosphere on earth?
At sea level, the Earth's air pressure is 14.7 pounds per square inch. The pressure decreases as the altitude increases.
How much does air weight at sea level?
14 pounds per square inch.
At sea level do you find low atmosphere pressure?
Low pressure and high pressure are not absolute. You find those pressures at any place. http://en.wikipedia.org/wiki/Atmospheric_pressure
How do you convert station level pressure to sea level pressure?
Station Pressure / e* where *=negative elevation/temperature in kelvin x 29.263