It's about four-fifths as heavy as The Eiffel Tower
In other words, 9,000 tons is 0.8080 times the weight of The Eiffel Tower, and the weight of The Eiffel Tower is 1.240 times that amount.(a.k.a. La Tour Eiffel) (Paris, France) (total weight)
The Eiffel Tower weighs approximately 11,100 tons. Architected to be quickly assembled, the Tower contains only 930 cu. meters of solid material.
It's about three-fifths as heavy as The Brooklyn Bridge
In other words, 9,000 tons is 0.6130 times the weight of The Brooklyn Bridge, and the weight of The Brooklyn Bridge is 1.6310 times that amount.(a.k.a. New York and Brooklyn Bridge) (Manhattan and Brooklyn, New York City, New York) (total weight)
The total weight of the Brooklyn Bridge is approximately 14,680 tons. In a promotional event to prove the bridge's stability shortly after it opened, entertainer P. T. Barnum led a parade of 21 elephants across it in May of 1884.
It's about one-third as heavy as The Statue of Liberty
In other words, 9,000 tons is 0.3310 times the weight of The Statue of Liberty, and the weight of The Statue of Liberty is 3.02 times that amount.(a.k.a. Liberty Enlightening the World, a.k.a. La Liberté éclairant le monde) (total weight, including foundation)
The total weight of the Statue of Liberty, including her base is roughly 27,100 tons. The statue was designed using an optical trick known as "forced perspective" to make the statue appear proportionally correct when viewed from its base and is, in actuality, disproportionately large at the top.
It's about six-and-a-half times as heavy as a Tree (Sierra Redwood)
In other words, the weight of a Tree (Sierra Redwood) is 0.160 times 9,000 tons.(a.k.a. Giant Sequoia, a.k.a. Sierran redwood, a.k.a. Wellingtonia, a.k.a. "Big Tree", Sequoiadendron giganteum)
The weight of wood in a Giant Sequoia is 1,400 tons. General Sherman, a specimen in Sequoia National Park in Visalia, California, is the largest tree in the world by volume, with an estimated weight of about 2,100 tons.
It's about thirteen times as heavy as Christ the Redeemer (statue)
In other words, 9,000 tons is 12.90 times the weight of Christ the Redeemer (statue), and the weight of Christ the Redeemer (statue) is 0.0775 times that amount.(a.k.a. O Cristo Redentor, a.k.a. Christo redemptor) (Rio de Janeiro, Brazil)
Christ the Redeemer weighs 700 tons. The statue overlooks the city of Rio de Janeiro from atop the 709.9-meter (2,329 ft) granite peak in the Tijuca Forest National Park.
It's about one-fifteenth as heavy as The CN Tower
In other words, 9,000 tons is 0.069245 times the weight of The CN Tower, and the weight of The CN Tower is 14.4410 times that amount.(a.k.a. La Tour CN, a.k.a. Canadian National Tower, a.k.a. Canada's National Tower) (Toronto, Canada)
The CN Tower weighs approximately 129,970 tons. The Tower is home to the world's highest glass floor — a viewing area that allows visitors to look straight down 342 m (1,120 ft) to the ground below.
It's about one-twenty-fifth as heavy as The Sears Tower
In other words, 9,000 tons is 0.04046 times the weight of The Sears Tower, and the weight of The Sears Tower is 24.720 times that amount.(officially "Willis Tower" as of 2009) (Chicago, Illinois)
The Willis Tower weighs approximately 222,400 tons. The outer wall surface of the Tower is covered with black anodized aluminum panels which would total 110,000 sq. m (28 acres) if laid out together.