Total height in 1889: 300.51 meters [985 feet, 11 inches]
(Temperature dependant height variation of 15 cm or less)
Total height with television mast: 320.755 meters [1052 feet, 4 inches]
First Level is 57.63 meters [189 feet] above the ground.
The Second Level is 115.73 meters [379 feet, 8 inches] above the ground.
The Third Level is 276.13 meters [905 feet, 11 inches] above the ground.
http://www.french-at-a-touch.com/Newsletters_and_Articles/facts_about_the_eiffel_tower_vi.htm#Tower_Levels