It's about nine-tenths as heavy as a Blue Whale.
In other words, 100 tons is 0.8680 times the weight of a Blue Whale, and the weight of a Blue Whale is 1.150 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 one-and-three-tenths times as heavy as The Space Shuttle.
In other words, the weight of The Space Shuttle is 0.770 times 100 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 three-fifths as heavy as a House.
In other words, 100 tons is 0.5820 times the weight of a House, and the weight of a House is 1.720 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 one-tenth as heavy as Christ the Redeemer (statue).
In other words, 100 tons is 0.1430 times the weight of Christ the Redeemer (statue), and the weight of Christ the Redeemer (statue) is 6.990 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 eight times as heavy as an Anchor of a Cruise Ship.
In other words, 100 tons is 8.03 times the weight of an Anchor of a Cruise Ship, and the weight of an Anchor of a Cruise Ship is 0.1250 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 fourteen times as heavy as a Tyrannosaurus rex.
In other words, the weight of a Tyrannosaurus rex is 0.071 times 100 tons.(for FMNH PR2081, a.k.a. "Sue") (a.k.a. Tyrannosaurus, a.k.a. T-Rex) (estimated live weight)
The notable Tyrannosaurus specimen housed at the Field Museum of Natural History in Chicago, Illinois, "Sue," is estimated to have weighed about 7.10 tons while alive. A renowned predator in popular culture, the teeth of tyrannosaurus rex were up to 33.02 cm (13 in) long.
It's about one-fifteenth as heavy as a Tree (Sierra Redwood).
In other words, the weight of a Tree (Sierra Redwood) is 14 times 100 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.