It's about one-and-one-tenth times as heavy as an Octopus
In other words, the weight of an Octopus is 0.910 times 0.0000000540 megatonnes.(for Giant Pacific Octopus, Enteroctopus) (Adult, average)
The adult North Pacific Giant Octopus usually weighs around 0.0000000500 megatonnes. 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-one-fourth times as heavy as a Toilet
In other words, 0.0000000540 megatonnes is 1.240 times the weight of a Toilet, and the weight of a Toilet is 0.8060 times that amount.(KOHLER Round front sitting flush toilet, model #K-11471-0)
The weight of a typical round front sitting flush toilet is 0.00000004360 megatonnes. 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 three-fourths as heavy as a Beer Keg
In other words, 0.0000000540 megatonnes is 0.74170 times the weight of a Beer Keg, and the weight of a Beer Keg is 1.3480 times that amount.(for US half-barrel, full keg; draft beer; including keg itself, stainless steel)
A typical, half-barrel beer keg weighs 0.00000007280 megatonnes when full. A keg of this size contains 15.5 gallons of beer, or the equivalent of 6.8 cases.
It's about two-thirds as heavy as a Kangaroo
In other words, the weight of a Kangaroo is 1.60 times 0.0000000540 megatonnes.(for red kangaroo, Macropus rufus) (adult, male)
An adult, male red kangaroo weighs up to 0.0000000850 megatonnes. Fantastic jumpers, red kangaroos can leap horizontally 9 m (30 ft) and vertically 3 m (9 ft) in a single bound.
It's about one-and-four-fifths times as heavy as a Dalmatian
In other words, 0.0000000540 megatonnes is 1.830 times the weight of a Dalmatian, and the weight of a Dalmatian is 0.5460 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 0.00000002950 megatonnes. 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 one-third as heavy as a Panda Bear
In other words, the weight of a Panda Bear is 2.80 times 0.0000000540 megatonnes.(a.k.a. Giant Panda, Ailuropoda melanoleuca)(Adult, male)
An adult, male Giant Panda weighs up to 0.000000150 megatonnes. Despite having the digestive system of a carnivore, the panda eats only bamboo and must eat up to 0.00000000640 megatonnes of it per day to compensate for the limited energy the plant provides.
It's about one-third as heavy as a Reindeer
In other words, 0.0000000540 megatonnes is 0.3260 times the weight of a Reindeer, and the weight of a Reindeer is 3.07 times that amount.(for Rangifer tarandus granti, adult, bull) (a.k.a. Caribou) ()Rangifer tarandus)
An adult, male reindeer weighs between 0.0000001660 megatonnes. 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.