Inches of Mercury to Atmospheres - Convert inhg to atm

Inches of Mercury (inhg) Conversion

An inch of mercury is a regular unit of measurement of (atmospheric) pressure. It denotes the pressure applied by one column of mercury of one inch in height at the standard acceleration of gravity”. The equivalent of one inch of mercury is is 0.491153 pounds per square inch, 3.38638 kilopascals, or 33.8638 millibars.

Atmospheres (atm) Conversion

Atmosphere is a unit of pressure expressing the average pressure of the Earth’s atmosphere at sea level. The standard atmosphere equals 101325 Pa (pascals) or 1.01325 bars.