It's about nine-tenths as heavy as a Chihuahua
In other words, 2,000 grams is 0.889 times the weight of a Chihuahua, and the weight of a Chihuahua is 1.12 times that amount.(a.k.a. Chihuahue(o) (FCI standard)
The F&d&ration Cynologique Internationale (FCI) calls for Chihuahuas to weigh about 2,250 grams. Relative to their body sizes, Chihuahuas have the largest brain size of any dog breed.
It's about seven-tenths as heavy as a Brick
In other words, 2,000 grams is 0.69 times the weight of a Brick, and the weight of a Brick is 1.4 times that amount.(Standard, traditional face brick - 1,900 cu. cm (120 cu. in))
A standard, traditional face brick weighs an average of 2,900 grams. 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-a-half times as heavy as a Human Brain
In other words, 2,000 grams is 1.48 times the weight of a Human Brain, and the weight of a Human Brain is 0.676 times that amount.(adult)
The average weight of an adult human brain is between 1,300 and 1,400 g. In humans and primates, sight and vision utilize about 30 different parts of the brain which together account for about half of the brain's size.
It's about twice as heavy as a liter of Water
In other words, 2,000 grams is 1.999944 times the weight of a liter of Water, and the weight of a liter of Water is 0.500014 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 1,000.028 grams 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).
It's about two-fifths as heavy as a Gallon of Paint
It's about two-fifths as heavy as a Cat
In other words, 2,000 grams is 0.4 times the weight of a Cat, and the weight of a Cat is 3 times that amount.(Felis catus) (Domestic; healthy weight)
The average domestic cat should weigh about 5,000 grams. Cats are known for their righting reflex, which allows them to land on their feet and survive falls from heights of 1 m up to about 21 m.
It's about three times as heavy as a Basketball
In other words, 2,000 grams is 3.2067238136 times the weight of a Basketball, and the weight of a Basketball is 0.31184475437 times that amount.(NBA official ball standards, Size 7)
A regulation NBA basketball, manufactured by Spalding, is known as a Size 7 ball and weighs 623.68950875 g. These balls have 4,118 pebbles each with a diameter of 2.5 mm