It's about 3,000 times as heavy as The Heart of a Blue Whale
In other words, 635,000 kilograms is 3,200 times the weight of The Heart of a Blue Whale, and the weight of The Heart of a Blue Whale is 0.0003 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 4,000 times as heavy as a Reindeer
In other words, 635,000 kilograms is 3,840 times the weight of a Reindeer, and the weight of a Reindeer is 0.0003 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 4,000 times as heavy as a Panda Bear
In other words, 635,000 kilograms is 4,200 times the weight of a Panda Bear, and the weight of a Panda Bear is 0.0002 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 7,500 times as heavy as a Kangaroo
In other words, 635,000 kilograms is 7,500 times the weight of a Kangaroo, and the weight of a Kangaroo is 0.0001 times that amount.(for red kangaroo, Macropus rufus) (adult, male)
An adult, male red kangaroo weighs up to 85 kg. Fantastic jumpers, red kangaroos can leap horizontally 9 m (30 ft) and vertically 3 m (9 ft) in a single bound.
It's about 8,500 times as heavy as a Beer Keg
In other words, 635,000 kilograms is 8,722 times the weight of a Beer Keg, and the weight of a Beer Keg is 0.000115 times that amount.(for US half-barrel, full keg; draft beer; including keg itself, stainless steel)
A typical, half-barrel beer keg weighs 72.80 kg when full. A keg of this size contains 15.5 gallons of beer, or the equivalent of 6.8 cases.
It's about one-nine-thousandth as heavy as The Great Pyramid of Giza
In other words, 635,000 kilograms is 0.0001 times the weight of The Great Pyramid of Giza, and the weight of The Great Pyramid of Giza is 9,100 times that amount.(a.k.a. Pyramid of Khufu, a.k.a. Pyramid of Cheops) (Cairo, Egypt)
The Great Pyramid of Giza has an estimated mass of 5,900,000,000 kilograms. The 2,300,000 stones used in the construction of the pyramid weighed an average 2,300 kilograms and were quarried from distances of up to 805 km (500 mi) away.
It's about 15,000 times as heavy as an Octopus
In other words, 635,000 kilograms is 13,000 times the weight of an Octopus, and the weight of an Octopus is 0.000077 times that amount.(for Giant Pacific Octopus, Enteroctopus) (Adult, average)
The adult North Pacific Giant Octopus usually weighs around 50 kg. It is the largest octopus species and is known for its considerable intelligence, including the ability to open jars, solve mazes, and mimic other octopuses.