Both altitude and elevation are measures of the height of a point relative to some datum. The differences are in how they are derived and what they are normally used for.

Air pressureabovesealevel can be calculated as. p = 101325 (1 - 2.25577 10-5 h) 5.25588 (1) where . p = air pressure (Pa) h = altitude abovesealevel (m)

The elevation of a geographic location is its height above or below a fixed reference point, most commonly a reference geoid, a mathematical model of the Earth's sea ...

Aug 13, 2014 · The elevation of an address refers to its height abovesealevel, or how high abovesealevel the address is elevated. Elevation is sometimes researched ...