Barometic pressure minus 29.92 (sea level pressure). 1hg equals 1000 ft. eg; 30.92 bm would be 1000 ft above sea level.
Jerusalem is a hilly city so the altitude varies but it is approximately 750 Meters (2,500 feet) above sea level
The lowest point in the US is Badwater in Death Valley, CA at 282 feet below sea level.The highest point is Mt MkKinley in Alaska at a height of 20, 320 feet above sea level.Each state has it's own highest and lowest points, so it would be difficult at best to calculate an average elevation for the entire US.
An elevation survey is a type of land survey that measures the height of a specific point relative to a known reference point, typically sea level. This type of survey is commonly used in construction and engineering projects to determine the topography and elevation of the land.
Above Ordnance Datum is a reference elevation used in surveying that is based on the mean sea level. It provides a standard benchmark for measuring height or altitude across different locations. This datum is commonly used in the UK and other countries for mapping and surveying purposes.
Newlyn
The height of a place above sea level is called elevation.
The name given to the height of a place above sea level is known as elevation.
Mean sea level is the average (mean) height of the sea. http://en.wikipedia.org/wiki/Sea_level
The height of a landform on Earth is DEFINED as its height above sea level since sea level is the closest thing on Earth to a constant or standard starting point. Sea level itself changes with the tides and wind and weather, so we use what is called "mean sea level" which is an average of measured levels at a given place over an extended time.
== == Science Major: Altitude is height above mean sea level (MSL) or true altitude, which means in reference to what sea level is on the ground, or height above ground level (AGL), which is also called absolute altitude, which means height above the ground with no reference to the ground's height above sea level. In example, if the sea level in a certain place is 100 feet and you are 250 feet above the ground, your altitude above sea level would be 350 feet, and your altitude above ground level would be 250 feet.
The height at one place is called elevation. Elevation refers to the vertical distance of a location above sea level.
We call this "elevation".
You should use a topographic map to find the height of a place above sea level. These maps show the elevation contours of an area, allowing you to determine the elevation at any specific point.
The elevation or height above sea level is called altitude.
Height from sea level.
atmospheric pressure ... the diff. in the two pressure in which it will find the height from the level of sea
The height of Mount Everest from sea level is 29,029 feet (8,848 meters).