It's about as heavy as a Brick.
(Standard, traditional face brick - 1,900 cu. cm (120 cu. in))
A standard, traditional face brick weighs an average of 1,900 pennyweights. 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 one-and-three-tenths times as heavy as a Chihuahua.
In other words, 1,900 pennyweights is 1.31 times the weight of a Chihuahua, and the weight of a Chihuahua is 0.763 times that amount.(a.k.a. Chihuahue(o) (FCI standard)
It's about seven-tenths as heavy as a Cat.
In other words, the weight of a Cat is 1 times 1,900 pennyweights.(Felis catus) (Domestic; healthy weight)
It's about three-fifths as heavy as a Gallon of Paint.
It's about two times as heavy as a Human Brain.
In other words, 1,900 pennyweights is 2.19 times the weight of a Human Brain, and the weight of a Human Brain is 0.457 times that amount.(adult)
It's about two-fifths as heavy as a Bowling Ball.
In other words, 1,900 pennyweights is 0.434285714 times the weight of a Bowling Ball, and the weight of a Bowling Ball is 2.30263158 times that amount.(most common selection among male bowlers)
It's about three times as heavy as a liter of Water.
In other words, 1,900 pennyweights is 2.954748 times the weight of a liter of Water, and the weight of a liter of Water is 0.3384383 times that amount.(fresh; 4° C / 39.2° F; maximum density)
Contrary to popular belief, 1 liter (0.0.264172052358148 gal) of water at 4° C / 39.2° F (its point of maximum density) weighs 643.0329 pennyweights rather than 1 kg exactly. The total volume of water on the planet Earth is about 13,590,000,000,000,000,000 (13.59 quntillion) L (3,590,000,000,000,000,000 gallons).