What Does HG Stand For?
HG stands for Inches Of Mercury
HG, short for Inches of Mercury, is a unit of pressure commonly used in meteorology and engineering. It represents the height of a column of mercury in inches and is often used to measure atmospheric pressure. One inch of mercury is equivalent to approximately 33.86 millibars or 0.491 psi. This measurement is critical in various applications, including weather forecasting, HVAC systems, and altimeter settings in aviation.
Added on 14th April 2008 | Last edited on 17th June 2025 | Edit Acronym