It's about as heavy as a Hamster
(for Syrian hamster, a.k.a. golden hamster, a.k.a. Mesocricetus auratus; adult)
An adult Syrian hamster has a typical weight of about 3,000 grains. Known for transporting food in the pouches of their cheeks so that they can bury it later, some hamsters can store up to 400,000 grains of food in their borrows.
It's about one-and-one-fifth times as heavy as a Billiard Ball
In other words, 3,000 grains is 1.19254658385090 times the weight of a Billiard Ball, and the weight of a Billiard Ball is 0.838541666666690 times that amount.(American-style, WPA specifications)
Per the World Pool-Billiard Association, a billiard ball weight must weigh between 2,406.250 grains and 2,625 grains. According to legend, the difficulty in obtaining elephant ivory for the manufacture of billiard balls in the 19th century inspired the search for a replacement material, which led to the development of the first industrial plastic.
It's about one-and-one-fifth times as heavy as a Puck (Hockey)
In other words, 3,000 grains is 1.19254658385090 times the weight of a Puck (Hockey), and the weight of a Puck (Hockey) is 0.838541666666690 times that amount.(Ice hockey)
A standard ice hockey puck weighs between 2,406.250 grains and 2,625 grains. Hockey pucks can be shot or passed at speeds of up to 160 kph (99 mph) during games.
It's about one-and-one-third times as heavy as a Baseball
In other words, 3,000 grains is 1.33797909407670 times the weight of a Baseball, and the weight of a Baseball is 0.747395833333310 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 one-and-two-fifths times as heavy as a Battery (D)
In other words, 3,000 grains is 1.440 times the weight of a Battery (D), and the weight of a Battery (D) is 0.6940 times that amount.(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-fifths as heavy as a Human Heart
It's about three-fifths as heavy as a Can of Soup
In other words, 3,000 grains is 0.560 times the weight of a Can of Soup, and the weight of a Can of Soup is 1.80 times that amount.(for Campbell''s Condensed Tomato Soup, 317.9 ml)
A can of Campbell''s Tomato Soup weighs 5,400 grains. Cans have been used to store soup and other foods since their invention in 1913, but a dedicated can opener was not developed until cans began to use thinner materials — prior to that time, cans were usually opened using various blunt instruments and tools.