• 1 mm = 10-3 m
• 1 cm = 10-2 m
• 1 in = 2.54 cm
1 atm = 760 mmHg
In the United States, barometric pressures are generally reported in inches of mercury (in. ). On a beautiful summer day in Chicago, the barometric pressure is 30.47 in. Hg.
Convert this pressure to atm.
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