How heavy is 4 tonnes?
It's about one-and-one-tenth times as heavy as a Hippopotamus
The weight of a Hippopotamus is about 3.80 tonnes.
(Hippopotamus amphibius) (adult, male)
It's about one-and-a-half times as heavy as The Tongue of a Blue Whale
The weight of The Tongue of a Blue Whale is about 2.70 tonnes.
(Balaenoptera musculus) (adult)
The tongue of a Blue Whale can weigh up to 2.7 tonnes. 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 two-thirds as heavy as an Elephant
The weight of an Elephant is about 6.10 tonnes.
(for African bush elephant, Loxodonta africana) (Adult, bull)
It's about one-and-nine-tenths times as heavy as a Rhinoceros
The weight of a Rhinoceros is about 2.10 tonnes.
(for Black rhinoceros, Diceros bicornis) (Adult, male)
An adult black rhinoceros weighs between 2.10 tonnes. Rhinoceros are extremely aggressive — nearly one of every two males will die as a result of fighting with other rhinoceros.
It's about two times as heavy as a Giraffe
The weight of a Giraffe is about 1.930 tonnes.
(Giraffa camelopardalis reticulata) (adult, male, maximum of range)
It's about half as heavy as a Tyrannosaurus rex
The weight of a Tyrannosaurus rex is about 8.80 tonnes.
(for FMNH PR 2081, a.k.a. "Sue") (a.k.a. Tyrannosaurus, a.k.a. T-Rex) (estimated live weight)
It's about one-third as heavy as an Anchor of a Cruise Ship
The weight of an Anchor of a Cruise Ship is about 11.30 tonnes.
(for QE2 forward anchor, a.k.a. RMS Queen Elizabeth 2)
Each of the forward anchors of the RMS Queen Elizabeth 2 weighs 11.30 tonnes. 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 six times as heavy as a Cow
The weight of a Cow is about 0.680 tonnes.
(for Holstein, a.k.a. Holstein Friesian, a.k.a. Friesian, Bos primigenius) (adult, heifer)
A mature Holstein cow (the well-known black-and-white, spotted breed of cow) typically weighs 0.680 tonnes. President William Howard Taft (1909 - 1913) kept a Holstein cow named Pauline Wayne on the White House grounds — a gift from a Wisconsin senator and the source of the First Family's milk.
It's about seven-and-a-half times as heavy as a Grizzly Bear
The weight of a Grizzly Bear is about 0.5210 tonnes.
(a.k.a. brown bear, a.k.a. silver bear, Ursus arctos horribilis) (Adult, male, coastal area population average)
It's about eight times as heavy as a Polar Bear
The weight of a Polar Bear is about 0.5160 tonnes.
(Ursus maritimus) (adult, male)
It's about nine times as heavy as a Grand Piano
The weight of a Grand Piano is about 0.450 tonnes.
(for Steinway & Sons, Model D Concert Grand Piano)
It's about nine-and-a-half times as heavy as a Horse
The weight of a Horse is about 0.420 tonnes.
(Equus ferus caballus) (Arabian, adult)
It's about sixteen times as heavy as a Pig
The weight of a Pig is about 0.250 tonnes.
(Domestic pig, Sus scrofa domesticus, a.k.a. S. domesticus) (adult)
Domestic pigs weigh between 0.250 tonnes. The titular character "Babe the pig" in the 1995 family film was played by 48 different American Yorkshire piglets due to the length of filming and the rate at which piglets reach adulthood.
It's about seventeen times as heavy as a cubic meter of Snow
The weight of a cubic meter of Snow is about 0.230 tonnes.
(Freshly fallen, standard conditions; measurements taken in Norway, 1965-68)