It's about one-and-two-fifths times as heavy as an Anchor of a Cruise Ship.
In other words, 341.80 hundredweight is 1.370 times the weight of an Anchor of a Cruise Ship, and the weight of an Anchor of a Cruise Ship is 0.730 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 249 hundredweight. 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 two-and-a-half times as heavy as a Tyrannosaurus rex.
In other words, the weight of a Tyrannosaurus rex is 0.420 times 341.80 hundredweight.(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 140 hundredweight 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 two-and-a-half times as heavy as an Elephant.
In other words, the weight of an Elephant is 0.380 times 341.80 hundredweight.(for African bush elephant, Loxodonta africana) (Adult, bull)
A bull African bush elephant weighs about 130 hundredweight. Among African elephants, both males and females have tusks (whereas female Asian elephants, Elephas maximus, do not have tusks) which can grow to 3 m (10 ft) and typically weigh about 88 hundredweight
It's about four times as heavy as a Hippopotamus.
In other words, 341.80 hundredweight is 4.130 times the weight of a Hippopotamus, and the weight of a Hippopotamus is 0.2420 times that amount.(Hippopotamus amphibius) (adult, male)
The average weight of an adult male hippopotamus ranges from 82.70 hundredweight. Appearances to the contrary, adult hippos cannot swim or float in water; they actually move by leaping and walking across lake bottoms at about 8 kph (5 mph).
It's about one-fifth as heavy as The Space Shuttle.
In other words, 341.80 hundredweight is 0.220 times the weight of The Space Shuttle, and the weight of The Space Shuttle is 4.50 times that amount.(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 1,600 hundredweight. The shuttle's spacious cargo bay carried the Chandra X-ray Observatory into orbit in 1999 — a payload that weighed 440 hundredweight.
It's about five-and-a-half times as heavy as The Tongue of a Blue Whale.
In other words, the weight of The Tongue of a Blue Whale is 0.180 times 341.80 hundredweight.(Balaenoptera musculus) (adult)
The tongue of a Blue Whale can weigh up to 60 hundredweight. Despite their tremendous size, blue whales feed almost exclusively on tiny crustaceans called krill and cannot swallow anything much larger than a beach ball.
It's about one-tenth as heavy as a Blue Whale.
In other words, 341.80 hundredweight is 0.1480 times the weight of a Blue Whale, and the weight of a Blue Whale is 6.760 times that amount.(Balaenoptera musculus)
Blue whales weigh between 2,300 hundredweight. The largest mammal to have ever lived, blue whales feed almost exclusively on krill — tiny invertebrates weighing about 0.0000220 hundredweight each.