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How heavy is 331 grams?

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 It's about as heavy as a Can of Soup. In other words, the weight of a Can of Soup is 1.10 times 331 grams. (for Campbell''s Condensed Tomato Soup, 317.9 ml) A can of Campbell''s Tomato Soup weighs 350 g. 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-one-tenth times as heavy as a Human Heart. In other words, the weight of a Human Heart is 0.910 times 331 grams. (human; adult)The average human heart weighs about 310 g. Each minute, the heart pumps between 10 and 20 liters (3 to 5 gallons) of blood through its chambers. It's about four-fifths as heavy as a Football (American). In other words, 331 grams is 0.80521940726280 times the weight of a Football (American), and the weight of a Football (American) is 1.2418975387090 times that amount. (a.k.a. "pigskin") (NFL standard)Per National Football League official rules, an American football must weigh between 396.89332375 g and 425.242846875 g. 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 three-fourths as heavy as a Football (Soccer). In other words, the weight of a Football (Soccer) is 1.30 times 331 grams. (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 410 g and 450 g. 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 half as heavy as a Basketball. In other words, 331 grams is 0.530712791150 times the weight of a Basketball, and the weight of a Basketball is 1.88425833460 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 It's about two times as heavy as a Hamster. In other words, the weight of a Hamster is 0.50 times 331 grams. (for Syrian hamster, a.k.a. golden hamster, a.k.a. Mesocricetus auratus; adult)An adult Syrian hamster has a typical weight of about 200 g. Known for transporting food in the pouches of their cheeks so that they can bury it later, some hamsters can store up to 30,000 grams of food in their borrows. It's about two times as heavy as a Billiard Ball. In other words, 331 grams is 2.0305532878802 times the weight of a Billiard Ball, and the weight of a Billiard Ball is 0.492476610177490 times that amount. (American-style, WPA specifications)Per the World Pool-Billiard Association, a billiard ball weight must weigh between 155.9223771875 g and 170.09713875 g. 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.