It's about seventeen times as heavy as a cubic meter of Snow
In other words, 4,000 kilograms is 17 times the weight of a cubic meter of Snow, and the weight of a cubic meter of Snow is 0.06 times that amount.(Freshly fallen, standard conditions; measurements taken in Norway, 1965-68)
One cubic meter of freshly fallen snow under standard conditions weighs an average of 230 kg. Assembled in 2008, the world record largest snowman was constructed of 5,900,000 kg of snow and stood 37.21 m (122.1 ft) tall.
It's about one-twentieth as heavy as The Space Shuttle
In other words, 4,000 kilograms is 0.06 times the weight of The Space Shuttle, and the weight of The Space Shuttle is 18 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 71,000 kilograms. The shuttle's spacious cargo bay carried the Chandra X-ray Observatory into orbit in 1999 — a payload that weighed 19,737 kg.
It's about twenty times as heavy as The Heart of a Blue Whale
In other words, 4,000 kilograms is 20 times the weight of The Heart of a Blue Whale, and the weight of The Heart of a Blue Whale is 0.1 times that amount.(Balaenoptera musculus) (adult)
(for a 2014 specimen)
The heart of a blue whale weighs about 200 kilograms. These hearts pump an estimated 7,100 L (1,875 gal) of blood through the whale's massive body.
It's about twenty times as heavy as a Reindeer
In other words, 4,000 kilograms is 24.2 times the weight of a Reindeer, and the weight of a Reindeer is 0.041 times that amount.(for Rangifer tarandus granti, adult, bull) (a.k.a. Caribou) ()Rangifer tarandus)
An adult, male reindeer weighs between 159 and 182 kg. Reindeer undertake a lengthy annual migration, with some herds traveling up to 5,000 km.
To all those observing, Merry Christmas from the Measure of Things.
It's about one-twenty-fifth as heavy as a Blue Whale
In other words, 4,000 kilograms is 0.038 times the weight of a Blue Whale, and the weight of a Blue Whale is 26.1 times that amount.(Balaenoptera musculus)
Blue whales weigh between 73,000 and 136,000 kg. The largest mammal to have ever lived, blue whales feed almost exclusively on krill — tiny invertebrates weighing about 0.001 kilograms each.
It's about thirty times as heavy as a Panda Bear
In other words, 4,000 kilograms is 27 times the weight of a Panda Bear, and the weight of a Panda Bear is 0.04 times that amount.(a.k.a. Giant Panda, Ailuropoda melanoleuca)(Adult, male)
An adult, male Giant Panda weighs up to 150 kg. Despite having the digestive system of a carnivore, the panda eats only bamboo and must eat up to 6.4 kg of it per day to compensate for the limited energy the plant provides.
It's about one-thirty-fifth as heavy as The Statue of Liberty (without base)
In other words, 4,000 kilograms is 0.03 times the weight of The Statue of Liberty (without base), and the weight of The Statue of Liberty (without base) is 34 times that amount.(a.k.a. Liberty Enlightening the World, a.k.a. La Liberté éclairant le monde) (total weight, including foundation)
The total weight of the Statue of Liberty — the Statue's copper and framework only, excluding the base — is roughly 140,000 kg. The statue was designed using an optical trick known as "forced perspective" to make the statue appear proportionally correct when viewed from its base and is, in actuality, disproportionately large at the top.