It's about one-and-three-fifths times as heavy as a House
In other words, 280 tons is 1.630 times the weight of a House, and the weight of a House is 0.6130 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 172 tons, 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 0.5070 tons.
It's about two-and-a-half times as heavy as a Blue Whale
In other words, 280 tons is 2.430 times the weight of a Blue Whale, and the weight of a Blue Whale is 0.4120 times that amount.(Balaenoptera musculus)
Blue whales weigh between 115 tons. The largest mammal to have ever lived, blue whales feed almost exclusively on krill — tiny invertebrates weighing about 0.00000110 tons each.
It's about two-fifths as heavy as Christ the Redeemer (statue)
In other words, the weight of Christ the Redeemer (statue) is 2.50 times 280 tons.(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 three-and-a-half times as heavy as The Space Shuttle
In other words, the weight of The Space Shuttle is 0.280 times 280 tons.(for Endeavour, a.k.a. OV-105, a.k.a. Orbiter Vehicle-105) (empty weight, excluding main engines)
When empty, the space shuttle Endeavour weighs 78 tons. The shuttle's spacious cargo bay carried the Chandra X-ray Observatory into orbit in 1999 — a payload that weighed 22 tons.
It's about one-fifth as heavy as a Tree (Sierra Redwood)
In other words, the weight of a Tree (Sierra Redwood) is 5 times 280 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 twenty times as heavy as an Anchor of a Cruise Ship
In other words, 280 tons is 22.50 times the weight of an Anchor of a Cruise Ship, and the weight of an Anchor of a Cruise Ship is 0.0444 times that amount.(for QE2 forward anchor, a.k.a. RMS Queen Elizabeth 2)
Each of the forward anchors of the RMS Queen Elizabeth 2 weighs 12.50 tons. The anchor of the QE2 now sits in front of the Holyrood Church in Southampton, England, United Kingdom, along a pedestrian tourist route known as "the QE2 mile."
It's about one-fortieth as heavy as The Eiffel Tower
In other words, 280 tons is 0.0251 times the weight of The Eiffel Tower, and the weight of The Eiffel Tower is 39.80 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.