It's about nine-tenths as heavy as a Toilet.
In other words, 90 pounds is 0.9360 times the weight of a Toilet, and the weight of a Toilet is 1.07 times that amount.(KOHLER Round front sitting flush toilet, model #K-11471-0)
The weight of a typical round front sitting flush toilet is 96.10 pounds. 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 four-fifths as heavy as an Octopus.
In other words, 90 pounds is 0.820 times the weight of an Octopus, and the weight of an Octopus is 1.20 times that amount.(for Giant Pacific Octopus, Enteroctopus) (Adult, average)
The adult North Pacific Giant Octopus usually weighs around 110 pounds. 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-and-two-fifths times as heavy as a Dalmatian.
In other words, 90 pounds is 1.380 times the weight of a Dalmatian, and the weight of a Dalmatian is 0.7250 times that amount.(a.k.a. Dalmatinac, a.k.a. Carriage Dog, a.k.a. Spotted Coach Dog, a.k.a. Firehouse Dog) (FCI standard; male)
The Fédération Cynologique Internationale (FCI) calls for Dalmatians to weigh between 65 pounds. The association of the breed with fire departments (and similarly with Budweiser Beer and its team of Clydesdales) stems from their affinity for horses, having been used historically as carriage dogs capable of guiding horse-drawn fire engines to the sites of blazes.
It's about three-fifths as heavy as a Beer Keg.
In other words, 90 pounds is 0.56070 times the weight of a Beer Keg, and the weight of a Beer Keg is 1.7830 times that amount.(for US half-barrel, full keg; draft beer; including keg itself, stainless steel)
A typical, half-barrel beer keg weighs 160.50 pounds when full. A keg of this size contains 15.5 gallons of beer, or the equivalent of 6.8 cases.
It's about half as heavy as a Kangaroo.
In other words, 90 pounds is 0.480 times the weight of a Kangaroo, and the weight of a Kangaroo is 2.10 times that amount.(for red kangaroo, Macropus rufus) (adult, male)
An adult, male red kangaroo weighs up to 190 pounds. Fantastic jumpers, red kangaroos can leap horizontally 9 m (30 ft) and vertically 3 m (9 ft) in a single bound.
It's about three-and-a-half times as heavy as a Gold Bar.
In other words, 90 pounds is 3.281250 times the weight of a Gold Bar, and the weight of a Gold Bar is 0.30476190480 times that amount.(London Good Delivery bar)
A "London Good Delivery" gold bar — the variety commonly held by Central Banks — should weigh 27.428571430 pounds. The largest gold bar ever produced was minted by Mitsubishi Materials Corporation (a sibling company of the auto manufacturer) in 2005 and weighed 551.15565550 pounds.
It's about one-fourth as heavy as a Panda Bear.
In other words, 90 pounds is 0.270 times the weight of a Panda Bear, and the weight of a Panda Bear is 3.70 times that amount.(a.k.a. Giant Panda, Ailuropoda melanoleuca)(Adult, male)
An adult, male Giant Panda weighs up to 330 pounds. Despite having the digestive system of a carnivore, the panda eats only bamboo and must eat up to 14 pounds of it per day to compensate for the limited energy the plant provides.