It's about six times as heavy as a Rhinoceros.
In other words, 320.01 firkins is 6.2 times the weight of a Rhinoceros, and the weight of a Rhinoceros is 0.16 times that amount.(for Black rhinoceros, Diceros bicornis) (Adult, male)
An adult black rhinoceros weighs between 51 firkins. Rhinoceros are extremely aggressive — nearly one of every two males will die as a result of fighting with other rhinoceros.
It's about eight times as heavy as a Car.
In other words, 320.01 firkins is 7.908 times the weight of a Car, and the weight of a Car is 0.1265 times that amount.(for 2009 Ford Taurus; automatic transmission; curb weight)
A 2009 Ford Taurus weighs 40.47 firkins. The first mass-produced car, the Curved Dash Oldsmobile — introduced in 1901 — weighed just 9.455 firkins.
It's about one-tenth as heavy as a Blue Whale.
In other words, 320.01 firkins is 0.125 times the weight of a Blue Whale, and the weight of a Blue Whale is 8 times that amount.(Balaenoptera musculus)
Blue whales weigh between 2,560 firkins. The largest mammal to have ever lived, blue whales feed almost exclusively on krill — tiny invertebrates weighing about 0.0000245 firkins each.
It's about one-tenth as heavy as a House.
In other words, 320.01 firkins is 0.0837 times the weight of a House, and the weight of a House is 11.9 times that amount.(149 sq. m, single-level, unfurnished)
A 149 sq. m (1,600 sq. ft), single-story, unfurnished house (without extensive masonry) of the type commonly found in America would weigh approximately 3,820 firkins, based on the weight of the included materials. In contrast, a yurt — a type of dwelling structure popular among nomadic peoples of East Asia — typically weighs less than 11.3 firkins.
It's about nineteen times as heavy as a Cow.
In other words, the weight of a Cow is 0.053 times 320.01 firkins.(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 17 firkins. 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.
It's about twenty times as heavy as The Heart of a Blue Whale.
It's about thirty times as heavy as a Grizzly Bear.
In other words, 320.01 firkins is 25.1 times the weight of a Grizzly Bear, and the weight of a Grizzly Bear is 0.0398 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 12.8 firkins. In spite of their tremendous size, grizzly bears can run at speeds of up to 55 kph (34 mph).