What Is The Average Barometric Pressure. Between 101,325 pa and 100,000 pa. Barometric pressure is measured either in standard atmospheres (atm), pascals (pa), inches of mercury (inhg), or bars (bar).

One atmosphere is 1,013 millibar s, or 760 millimeters (29.92 inches) of mercury. Between 101,325 pa and 100,000 pa. An atmosphere (atm) is a unit of measurement equal to the average air pressure at sea level at a temperature of 15 degrees celsius (59 degrees fahrenheit).