It's about six times as heavy as a Kangaroo
In other words, 516 kilograms is 6.10 times the weight of a Kangaroo, and the weight of a Kangaroo is 0.160 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 seven times as heavy as a Beer Keg
In other words, 516 kilograms is 7.088 times the weight of a Beer Keg, and the weight of a Beer Keg is 0.14110 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-tenth as heavy as a Hippopotamus
In other words, 516 kilograms is 0.1380 times the weight of a Hippopotamus, and the weight of a Hippopotamus is 7.250 times that amount.(Hippopotamus amphibius) (adult, male)
The average weight of an adult male hippopotamus ranges from 3,000 to 4,500 kg. 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 ten times as heavy as an Octopus
In other words, the weight of an Octopus is 0.10 times 516 kilograms.(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.
It's about one-tenth as heavy as an Elephant
In other words, the weight of an Elephant is 12 times 516 kilograms.(for African bush elephant, Loxodonta africana) (Adult, bull)
A bull African bush elephant weighs about 6,100 kg. 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 4,000 kg
It's about twelve times as heavy as a Toilet
In other words, 516 kilograms is 11.80 times the weight of a Toilet, and the weight of a Toilet is 0.0847 times that amount.(KOHLER Round front sitting flush toilet, model #K-11471-0)
The weight of a typical round front sitting flush toilet is 43.6 kg. The Indian town of Musiri in Tamil Nadu state features the world's only paying toilet, which rewards its users up to 10¢ Indian (10 paisas) per visit and uses the waste for compost and fertilizer.
It's about one-tenth as heavy as a Tyrannosaurus rex
In other words, the weight of a Tyrannosaurus rex is 12 times 516 kilograms.(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 kilograms while alive. A renowned predator in popular culture, the teeth of tyrannosaurus rex were up to 33.02 cm (13 in) long.