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How many bars is atmospheric pressure?

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Atmospheric air pressure is often given in millibars where "standard" sea level pressure (1 atm) is defined as 1013.25 mbar (hPa), equal to 1.01325 bar. Despite millibars not being an SI unit, meteorologists and weather reporters worldwide have long measured air pressure in millibars. read more

Bar is the atmospheric pressure at the sea level, which is around 100 kilopascals. Since the difference between these units is so small, in most applications bar unit is used. Atmospheric pressure is the force per unit area by the weight of air above that point. 1 atmosphere is about 101.325 kilopascals. read more

A: Quick Answer. One bar is a measure of atmospheric pressure that is equal to the pressure felt at sea level on Earth. read more

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