By definition 1 ATM is the air pressure at sea level. The pressure at sea level also corresponds to the amount of air pressure that will support a column of Mercury 760 mm high at 0 degrees Celsius under standard gravity, or 14.7 pounds per square inch (1.01325 × 105 pascals). Consequently, 1 ATM = 760 mm Hg.
The reading is as x mm of mercury, as this is the amount of mercury the pressure can hold up - against gravity - when the pressure is tested using any necessary equipment
760 mm hg = 0 psi gauge pressure
760 mm Hg is 1 atmosphere, so approx 1 bar. It is 1.013 bar, which is 1013 milibars.
3.2 atmospheres = 2,432 mmHg
150 mm Hg is the same as 2.90 PSI: 1 atmosphere == 760 mm Hg, so 150 mm Hg is the same as 0.197 atm. 1 atmosphere = 14.696 PSI so (0.197)(14.696) = 2.90 PSI
24.9 in = 63.2 cm = 630.2 mm 630.2 mm Hg / (760 mm Hg / 1atm) = .863 ATM
760 mm hg = 0 psi gauge pressure
This value is 1 atmosphere=760 mm Hg.
Convert mmHg to ATM using 1 ATM = 760 mmHg as a conversion factor.
760 mm Hg is 1 atmosphere, so approx 1 bar. It is 1.013 bar, which is 1013 milibars.
3.2 atmospheres = 2,432 mmHg
150 mm Hg is the same as 2.90 PSI: 1 atmosphere == 760 mm Hg, so 150 mm Hg is the same as 0.197 atm. 1 atmosphere = 14.696 PSI so (0.197)(14.696) = 2.90 PSI
24.9 in = 63.2 cm = 630.2 mm 630.2 mm Hg / (760 mm Hg / 1atm) = .863 ATM
Equals 101,325 pascals, 101.325 kpascals, 760 mm of Mercury, and/or 1 atmosphere
101.325 kPa is equivalent to one atmosphere of pressure, or 760 mm Hg. It is a very useful conversion factor.
This is an old measurement, but 760 mm is one atmosphere.
760 mm Hg = 1 atm therefore there are 1/760 atmospheres in 1 mm Hg.
152 mm Hg is equal to 0,2 atmosphere.