It's about 200 times as heavy as a Quarter.
In other words, 643.0329 pennyweights is 176.40 times the weight of a Quarter, and the weight of a Quarter is 0.005669 times that amount.(United States quarter-dollar coin) (a.k.a. Quarter dollar, a.k.a. America the Beautiful quarter, a.k.a. two bits)
The America the Beautiful series quarters, which began to enter circulation in 2017, weigh 3.6460 pennyweights each. In answer to the common riddle, there are 119 ridges around the edge of the coin in its current design.
It's about one-two-hundredth as heavy as The Heart of a Blue Whale.
It's about 200 times as heavy as a sheet of Paper.
In other words, the weight of a sheet of Paper is 0.005 times 643.0329 pennyweights.(for US Letter, a.k.a. ANSI A; 215.9mm by 279.4mm (8.5 in x 11 in); 20lb)
The weight of a ream (500 sheets) of 6,000 pennyweights, 8.5 inch x 11 inch paper is 1,000 pennyweights, each sheet weighing 3 pennyweights. Paper of this size has a thickness of 0.004 caliper (0.1 mm).
It's about one-two-hundred-fiftieth as heavy as a cubic meter of Snow.
In other words, the weight of a cubic meter of Snow is 230 times 643.0329 pennyweights.(Freshly fallen, standard conditions; measurements taken in Norway, 1965-68)
One cubic meter of freshly fallen snow under standard conditions weighs an average of 150,000 pennyweights. Assembled in 2008, the world record largest snowman was constructed of 3,800,000,000 pennyweights of snow and stood 37.21 m (122.1 ft) tall.
It's about 250 times as heavy as a Die (Dice).
In other words, the weight of a Die (Dice) is 0.0042 times 643.0329 pennyweights.(for six-sided, 16 mm, rounded cube)
A die, of the size most commonly used in board games and casinos, typically weight 2.60 pennyweights. The use of dice and dice-like tools predates written history, with the oldest known examples belonging to a 5,000-year old backgammon set uncovered during an archaeological dig in modern-day Iran.
It's about one-two-hundred-fiftieth as heavy as a Pig.
In other words, the weight of a Pig is 250 times 643.0329 pennyweights.(Domestic pig, Sus scrofa domesticus, a.k.a. S. domesticus) (adult)
Domestic pigs weigh between 160,000 pennyweights. The titular character "Babe the pig" in the 1995 family film was played by 48 different American Yorkshire piglets due to the length of filming and the rate at which piglets reach adulthood.
It's about 400 times as heavy as a Penny.
In other words, the weight of a Penny is 0.0025 times 643.0329 pennyweights.(United States) (formally one-cent coin) (Union shield design, 2010-present)
The weight of a United States penny is 1.60 pennyweights. According to a 2010 report by the United States Mint, the cost of manufacturing and distributing a penny is $0.0179 — more than its face-value.