It's about half as heavy as a Basketball.
In other words, 4,800 grains is 0.49870129870 times the weight of a Basketball, and the weight of a Basketball is 2.0052083333 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 9,625 grains. These balls have 4,118 pebbles each with a diameter of 2.5 mm
It's about two times as heavy as a Baseball.
In other words, 4,800 grains is 2.14076655052260 times the weight of a Baseball, and the weight of a Baseball is 0.467122395833340 times that amount.(MLB rules)
Per Major League Baseball rules, a baseball must weigh between 2,187.50 grains and 2,296.8750 grains. A major league pitcher can throw a baseball at up to 150 kph (91 mph) (with a fastball pitch), with record-setting pitches as fast as 171 kph (106 mph).
It's about two-and-a-half times as heavy as a Battery (D).
In other words, the weight of a Battery (D) is 0.4350 times 4,800 grains.(Alkaline)
A "D" size battery weighs 2,080 grains. The D size battery is the oldest of the modern battery sizes, first invented by the National Carbon Company in 1898.
It's about three-tenths as heavy as a liter of Water.
In other words, 4,800 grains is 0.31102610 times the weight of a liter of Water, and the weight of a liter of Water is 3.2151640 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 15,432.790 grains 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 three-and-a-half times as heavy as a Deck of Cards.
In other words, the weight of a Deck of Cards is 0.30 times 4,800 grains.(ISO 216 B8 size, a.k.a. "poker size" 63 x 88 mm, 52-card deck)
A deck of 52 ISO 216 B8-size playing cards weighs 1,500 grains. Utilizing nearly 3,700 decks, the record-holding largest card tower was built in early 2010, stood over 3.5 m (11 ft), and weighed over 3,500,000 grains.
It's about one-fourth as heavy as a Human Brain.
In other words, 4,800 grains is 0.230 times the weight of a Human Brain, and the weight of a Human Brain is 4.350 times that amount.(adult)
The average weight of an adult human brain is between 20,800 grains. 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 five times as heavy as a Battery (C).
In other words, 4,800 grains is 4.80 times the weight of a Battery (C), and the weight of a Battery (C) is 0.210 times that amount.(Alkaline)
A "C" size battery weighs 1,000 grains. C batteries are typically used in medium-drain devices such as musical instruments.