It's about as heavy as a Football (American).
In other words, the weight of a Football (American) is 1.035714285714 times 255.2083333333 pennyweights.(a.k.a. "pigskin") (NFL standard)
Per National Football League official rules, an American football must weigh between 255.2083333333 pennyweights and 273.4375 pennyweights. Because of NFL regulations, ceremonial considerations, and backup requirements, each NFL Superbowl requires the manufacture of 144 balls exclusively for the event.
It's about nine-tenths as heavy as a Football (Soccer).
In other words, 255.2083333333 pennyweights is 0.92 times the weight of a Football (Soccer), and the weight of a Football (Soccer) is 1.1 times that amount.(a.k.a. Soccer, a.k.a. Association Football) (FIFA Law 2 specification)
According to FIFA's Law of the Game number 2, a football must weigh between 260 pennyweights and 290 pennyweights. An artifact on display at the Smith Art Gallery in Museum in Stirling, Scotland is said to be the world's oldest football and is about one-third to one-half the size of a modern football.
It's about one-and-one-tenth times as heavy as a Can of Soup.
In other words, the weight of a Can of Soup is 0.91 times 255.2083333333 pennyweights.(for Campbell''s Condensed Tomato Soup, 317.9 ml)
A can of Campbell''s Tomato Soup weighs 230 pennyweights. 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.
It's about one-and-three-tenths times as heavy as a Human Heart.
It's about two-thirds as heavy as a Basketball.
In other words, 255.2083333333 pennyweights is 0.63636363636 times the weight of a Basketball, and the weight of a Basketball is 1.5714285714 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 401.04166667 pennyweights. These balls have 4,118 pebbles each with a diameter of 2.5 mm
It's about two times as heavy as a Hamster.
In other words, the weight of a Hamster is 0.5 times 255.2083333333 pennyweights.(for Syrian hamster, a.k.a. golden hamster, a.k.a. Mesocricetus auratus; adult)
An adult Syrian hamster has a typical weight of about 100 pennyweights. Known for transporting food in the pouches of their cheeks so that they can bury it later, some hamsters can store up to 20,000 pennyweights of food in their borrows.
It's about two-and-a-half times as heavy as a Billiard Ball.
In other words, 255.2083333333 pennyweights is 2.4347826086953 times the weight of a Billiard Ball, and the weight of a Billiard Ball is 0.41071428571435 times that amount.(American-style, WPA specifications)
Per the World Pool-Billiard Association, a billiard ball weight must weigh between 100.26041666667 pennyweights and 109.375 pennyweights. 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.