how tall is mount everest in miles
1 Number of people who have died trying to climb Mt. Everest: 142. 2  Height: 29,028 feet, or 5 and a half miles above sea level. 3  This is equivalent to the size of almost 20 Empire State Buildings. 4  Location: part of the Himalaya mountain range; straddles border of Nepal and Tibet. Tallest mountain in the world. 2  Number of people to attempt to climb Mt. Everest: approximately 4,000. 3  Number of people to successfully climb Mt. Everest: 660. 4  Number of people who have died trying to climb Mt. Everest: 142.