Elevation at sea level is elevation zero feet or meters above sea level.
the elevation of sea level is 0 degrees.
The "sea level elevation " of anywhere is '0' feet .
The height above or below sea level is "elevation". Altitude is used only for distance above sea level.
sea level no elevation
The elevation of a place above sea level
Frisco's elevation is 9,075 feet above sea level.
It is 420 metres (1,378 ft) below sea level
The elevation of Medford OR is 1382 above sea level.
%here is no typical elevation. The elevation of a desert may be well below sea level or many thousands of feet above sea level.
New Mexico's highest elevation point is Wheeler Peak at 13,167 feet (4013.3 meters) above sea level and the lowest elevation point is the Red Bluff Reservoir on Texas's border and is 2,844 feet (867 meters) above sea level
Roughly 30,373ft (9257.6m). The elevation of Mount Everest is 29,035ft [above sea level] and the Dead Sea's elevation is 1,388ft below sea level, making it the lowest place on Earth.