It's about as heavy as a Blue Whale.
It's about two-thirds as heavy as a House.
In other words, 105,000,000 grams is 0.673 times the weight of a House, and the weight of a House is 1.49 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 156,000,000 grams, 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 460,000 grams.
It's about one-and-a-half times as heavy as The Space Shuttle.
In other words, the weight of The Space Shuttle is 0.67 times 105,000,000 grams.(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 71,000,000 grams. The shuttle's spacious cargo bay carried the Chandra X-ray Observatory into orbit in 1999 — a payload that weighed 20,000,000 grams.
It's about one-fifth as heavy as Christ the Redeemer (statue).
In other words, 105,000,000 grams is 0.165 times the weight of Christ the Redeemer (statue), and the weight of Christ the Redeemer (statue) is 6.06 times that amount.(a.k.a. O Cristo Redentor, a.k.a. Christo redemptor) (Rio de Janeiro, Brazil)
Christ the Redeemer weighs 635,000,000 grams. 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 nine-and-a-half times as heavy as an Anchor of a Cruise Ship.
In other words, 105,000,000 grams is 9.29 times the weight of an Anchor of a Cruise Ship, and the weight of an Anchor of a Cruise Ship is 0.108 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 11,300,000 grams. 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-tenth as heavy as a Tree (Sierra Redwood).
In other words, the weight of a Tree (Sierra Redwood) is 12 times 105,000,000 grams.(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 1,300,000,000 grams. 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 1,900,000,000 grams.
It's about sixteen times as heavy as a Tyrannosaurus rex.
In other words, the weight of a Tyrannosaurus rex is 0.063 times 105,000,000 grams.(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 6,400,000 grams while alive. A renowned predator in popular culture, the teeth of tyrannosaurus rex were up to 33.02 cm (13 in) long.