Inch of mercury
Unit of pressure
Inch of mercury is a non-SI unit of measurement for pressure. It is used for barometric pressure in weather reports, refrigeration and aviation in the United States.
It is the pressure exerted by a column of mercury 1 inch in height at the... Wikipedia
Shorthand: Hg
1 inHg in: is equal to
SI units: 3.38639 kPa
Unit of: Pressure
United States customary units: 0.491154 psi
Show more
Show less