It's about one-and-a-half times as heavy as a Tree (Sierra Redwood)
In other words, the weight of a Tree (Sierra Redwood) is 0.670 times 4,200,000 pounds.(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 2,900,000 pounds. 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 4,200,000 pounds.
It's about three times as heavy as Christ the Redeemer (statue)
In other words, the weight of Christ the Redeemer (statue) is 0.3330 times 4,200,000 pounds.(a.k.a. O Cristo Redentor, a.k.a. Christo redemptor) (Rio de Janeiro, Brazil)
Christ the Redeemer weighs 1,400,000 pounds. 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-fifth as heavy as The Eiffel Tower
In other words, 4,200,000 pounds is 0.1890 times the weight of The Eiffel Tower, and the weight of The Eiffel Tower is 5.290 times that amount.(a.k.a. La Tour Eiffel) (Paris, France) (total weight)
The Eiffel Tower weighs approximately 22,300,000 pounds. Architected to be quickly assembled, the Tower contains only 930 cu. meters of solid material.
It's about one-tenth as heavy as The Brooklyn Bridge
In other words, 4,200,000 pounds is 0.1430 times the weight of The Brooklyn Bridge, and the weight of The Brooklyn Bridge is 6.9930 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 29,370,000 pounds. 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 twelve times as heavy as a House
In other words, 4,200,000 pounds is 12.20 times the weight of a House, and the weight of a House is 0.082 times that amount.(149 sq. m, single-level, unfurnished)
A 149 sq. m (1,600 sq. ft), single-story, unfurnished house (without extensive masonry) of the type commonly found in America would weigh approximately 344,000 pounds, based on the weight of the included materials. In contrast, a yurt — a type of dwelling structure popular among nomadic peoples of East Asia — typically weighs less than 1,010 pounds.
It's about one-fifteenth as heavy as The Statue of Liberty
In other words, the weight of The Statue of Liberty is 12.90 times 4,200,000 pounds.(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 54,200,000 pounds. 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 eighteen times as heavy as a Blue Whale
In other words, 4,200,000 pounds is 18.20 times the weight of a Blue Whale, and the weight of a Blue Whale is 0.0549 times that amount.(Balaenoptera musculus)
Blue whales weigh between 230,000 pounds. The largest mammal to have ever lived, blue whales feed almost exclusively on krill — tiny invertebrates weighing about 0.0022 pounds each.