It's about 900 times as heavy as a Nail.
It's about one-one-thousandth as heavy as a Cow.
In other words, the weight of a Cow is 1,000 times 454.960 pennyweights.(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 440,000 pennyweights. 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 one-two-thousand-five-hundredth as heavy as a Car.
In other words, 454.960 pennyweights is 0.0004283 times the weight of a Car, and the weight of a Car is 2,335 times that amount.(for 2009 Ford Taurus; automatic transmission; curb weight)
A 2009 Ford Taurus weighs 1,062,000 pennyweights. The first mass-produced car, the Curved Dash Oldsmobile — introduced in 1901 — weighed just 248,200 pennyweights.
It's about one-three-thousandth as heavy as a Rhinoceros.
In other words, 454.960 pennyweights is 0.00034 times the weight of a Rhinoceros, and the weight of a Rhinoceros is 2,900 times that amount.(for Black rhinoceros, Diceros bicornis) (Adult, male)
An adult black rhinoceros weighs between 1,400,000 pennyweights. Rhinoceros are extremely aggressive — nearly one of every two males will die as a result of fighting with other rhinoceros.
It's about one-three-thousand-five-hundredth as heavy as a Giraffe.
It's about one-four-thousandth as heavy as The Tongue of a Blue Whale.
In other words, 454.960 pennyweights is 0.00026 times the weight of The Tongue of a Blue Whale, and the weight of The Tongue of a Blue Whale is 3,800 times that amount.(Balaenoptera musculus) (adult)
The tongue of a Blue Whale can weigh up to 1,700,000 pennyweights. Despite their tremendous size, blue whales feed almost exclusively on tiny crustaceans called krill and cannot swallow anything much larger than a beach ball.
It's about 4,000 times as heavy as a Raindrop.
In other words, the weight of a Raindrop is 0.0003 times 454.960 pennyweights.(a.k.a. drop, a.k.a. droplet) (average)
The weight of a raindrop depends heavily on the type of weather, but averages about 0.10 pennyweights. The familiar teardrop shape of a raindrop is actually an optical illusion, caused by the reflection of the light and the motion of the drop.