
It's about ninetenths as heavy as a Chihuahua.
In other words, 542 fluid drams (ʒ) is 0.937 times the weight of a Chihuahua, and the weight of a Chihuahua is 1.07 times that amount.
(a.k.a. Chihuahue(o) (FCI standard)
It's about threefourths as heavy as a Brick.
In other words, the weight of a Brick is 1.4 times 542 fluid drams (ʒ).
(Standard, traditional face brick  1,900 cu. cm (120 cu. in))A standard, traditional face brick weighs an average of 750 fluid drams (ʒ). The steeple of the Church of St. Martin in Landshut, Germany is said to be the tallest brick tower in the world at a height of 130.6 m (428.5 ft) and was constructed using an estimated 650,000 bricks.
It's about oneandthreefifths times as heavy as a Human Brain.
In other words, 542 fluid drams (ʒ) is 1.56 times the weight of a Human Brain, and the weight of a Human Brain is 0.641 times that amount.
(adult)
It's about half as heavy as a Cat.
In other words, the weight of a Cat is 2 times 542 fluid drams (ʒ).
(Felis catus) (Domestic; healthy weight)The average domestic cat should weigh between 1,000 fluid drams (ʒ). Cats are known for their righting reflex, which allows them to land on their feet and survive falls from heights of 1 m (3 ft) up to about 21 m.
It's about two times as heavy as a liter of Water.
In other words, 542 fluid drams (ʒ) is 2.107202 times the weight of a liter of Water, and the weight of a liter of Water is 0.474563 times that amount.
(fresh; 4° C / 39.2° F; maximum density)
It's about twofifths as heavy as a Gallon of Paint.
In other words, the weight of a Gallon of Paint is 3 times 542 fluid drams (ʒ).
(excluding container; average weight)
It's about threetenths as heavy as a Bowling Ball.
In other words, 542 fluid drams (ʒ) is 0.309714286 times the weight of a Bowling Ball, and the weight of a Bowling Ball is 3.22878228 times that amount.
(most common selection among male bowlers) 
