What Is Altitude?


Simple Definition:

Altitude is the height of an object or location above sea level. Sea level is the average level [height] of the surface of the oceans.

For example:

  • The altitude of Mount Everest is 8,848 meters above sea level. (Altitude refers to the height of Mount Everest above the average level of the oceans.)
  • The altitude of an airplane can vary depending on its flight path. (Altitude refers to the height of the airplane above sea level.)

Very Simple Definition:

Altitude is how high something is above the ground or sea. It tells us how tall something is.

For example:

  • The airplane is flying at a high altitude. (The airplane is very high above the ground or sea.)
  • A fast change in altitude {how high you are above the ground) can cause your ears to feel funny.

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