It's about two times as heavy as a Tree (Sierra Redwood)
In other words, 42,100,000,000 grains is 2.10 times the weight of a Tree (Sierra Redwood), and the weight of a Tree (Sierra Redwood) is 0.480 times that amount.(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 20,000,000,000 grains. 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 29,000,000,000 grains.
It's about one-fourth as heavy as The Eiffel Tower
In other words, 42,100,000,000 grains is 0.270 times the weight of The Eiffel Tower, and the weight of The Eiffel Tower is 3.70 times that amount.(a.k.a. La Tour Eiffel) (Paris, France) (total weight)
The Eiffel Tower weighs approximately 156,000,000,000 grains. Architected to be quickly assembled, the Tower contains only 930 cu. meters of solid material.
It's about four-and-a-half times as heavy as Christ the Redeemer (statue)
In other words, the weight of Christ the Redeemer (statue) is 0.2330 times 42,100,000,000 grains.(a.k.a. O Cristo Redentor, a.k.a. Christo redemptor) (Rio de Janeiro, Brazil)
Christ the Redeemer weighs 9,800,000,000 grains. 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 Brooklyn Bridge
In other words, 42,100,000,000 grains is 0.20480 times the weight of The Brooklyn Bridge, and the weight of The Brooklyn Bridge is 4.8830 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 205,600,000,000 grains. 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-tenth as heavy as The Statue of Liberty
In other words, 42,100,000,000 grains is 0.1110 times the weight of The Statue of Liberty, and the weight of The Statue of Liberty is 9.01 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 380,000,000,000 grains. 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 seventeen-and-a-half times as heavy as a House
In other words, the weight of a House is 0.0571 times 42,100,000,000 grains.(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 2,410,000,000 grains, 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 7,100,000 grains.
It's about thirty times as heavy as a Blue Whale
In other words, 42,100,000,000 grains is 26.10 times the weight of a Blue Whale, and the weight of a Blue Whale is 0.0383 times that amount.(Balaenoptera musculus)
Blue whales weigh between 1,610,000,000 grains. The largest mammal to have ever lived, blue whales feed almost exclusively on krill — tiny invertebrates weighing about 15.40 grains each.