It's about one-and-one-tenth times as heavy as a Kangaroo.
It's about three-fifths as heavy as a Panda Bear.
In other words, the weight of a Panda Bear is 1.7 times 2.205 firkins.(a.k.a. Giant Panda, Ailuropoda melanoleuca)(Adult, male)
An adult, male Giant Panda weighs up to 3.7 firkins. Despite having the digestive system of a carnivore, the panda eats only bamboo and must eat up to 0.16 firkins of it per day to compensate for the limited energy the plant provides.
It's about one-and-four-fifths times as heavy as an Octopus.
In other words, the weight of an Octopus is 0.56 times 2.205 firkins.(for Giant Pacific Octopus, Enteroctopus) (Adult, average)
The adult North Pacific Giant Octopus usually weighs around 1.2 firkins. 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 half as heavy as a Reindeer.
In other words, 2.205 firkins is 0.544 times the weight of a Reindeer, and the weight of a Reindeer is 1.84 times that amount.(for Rangifer tarandus granti, adult, bull) (a.k.a. Caribou) ()Rangifer tarandus)
An adult, male reindeer weighs between 4.05 firkins. 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 two times as heavy as a Toilet.
In other words, 2.205 firkins is 2.06 times the weight of a Toilet, and the weight of a Toilet is 0.485 times that amount.(KOHLER Round front sitting flush toilet, model #K-11471-0)
The weight of a typical round front sitting flush toilet is 1.07 firkins. 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 half as heavy as The Heart of a Blue Whale.
In other words, 2.205 firkins is 0.45 times the weight of The Heart of a Blue Whale, and the weight of The Heart of a Blue Whale is 2.2 times that amount.(Balaenoptera musculus) (adult)
(for a 2014 specimen)
The heart of a blue whale weighs about 4.9 firkins. These hearts pump an estimated 7,100 L (1,875 gal) of blood through the whale's massive body.
It's about two-fifths as heavy as a cubic meter of Snow.
In other words, 2.205 firkins is 0.39 times the weight of a cubic meter of Snow, and the weight of a cubic meter of Snow is 2.6 times that amount.(Freshly fallen, standard conditions; measurements taken in Norway, 1965-68)
One cubic meter of freshly fallen snow under standard conditions weighs an average of 5.6 firkins. Assembled in 2008, the world record largest snowman was constructed of 140,000 firkins of snow and stood 37.21 m (122.1 ft) tall.