sea level

US /ˈsiː ˌlev.əl/
UK /ˈsiː ˌlev.əl/
"sea level" picture
1.

Meeresspiegel

the average height of the sea's surface, used as a standard reference point for measuring altitudes and depths on Earth

:
Mount Everest is 8,848 meters above sea level.
Der Mount Everest liegt 8.848 Meter über dem Meeresspiegel.
Many coastal cities are threatened by rising sea levels.
Viele Küstenstädte sind durch steigende Meeresspiegel bedroht.