It's about one-third as heavy as a Horse.
In other words, the weight of a Horse is 2.80 times 150 kilograms.(Equus ferus caballus) (Arabian, adult)
n Arabian riding horse (or similar breed) weighs between 380 and 450 kg. During races, horses must carry jockeys and their equipment, which in the Kentucky Derby, for example, can weigh up to 54.4 kg.
It's about three times as heavy as an Octopus.
In other words, the weight of an Octopus is 0.330 times 150 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-third as heavy as a Grand Piano.
It's about three-tenths as heavy as a Polar Bear.
In other words, 150 kilograms is 0.2910 times the weight of a Polar Bear, and the weight of a Polar Bear is 3.440 times that amount.(Ursus maritimus) (adult, male)
An adult, male polar bear weighs between 352 and 680 kg. Polar bears are so heavily insulated by their 9.9 cm (3.9 in) layer of blubber that they are often difficult to detect using infrared photography sensors.
It's about three-and-a-half times as heavy as a Toilet.
In other words, 150 kilograms is 3.440 times the weight of a Toilet, and the weight of a Toilet is 0.2910 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 three-tenths as heavy as a Grizzly Bear.
In other words, 150 kilograms is 0.2880 times the weight of a Grizzly Bear, and the weight of a Grizzly Bear is 3.470 times that amount.(a.k.a. brown bear, a.k.a. silver bear, Ursus arctos horribilis) (Adult, male, coastal area population average)
An adult, male grizzly bear from a coastal area (where food is plentiful) can weigh up to 521 kg. In spite of their tremendous size, grizzly bears can run at speeds of up to 55 kph (34 mph).
It's about one-fifth as heavy as a Cow.
In other words, 150 kilograms is 0.220 times the weight of a Cow, and the weight of a Cow is 4.50 times that amount.(for Holstein, a.k.a. Holstein Friesian, a.k.a. Friesian, Bos primigenius) (adult, heifer)
A mature Holstein cow (the well-known black-and-white, spotted breed of cow) typically weighs 680 kg. President William Howard Taft (1909 - 1913) kept a Holstein cow named Pauline Wayne on the White House grounds — a gift from a Wisconsin senator and the source of the First Family's milk.