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Equivalents in other units


How heavy is 290 pennyweights?

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It's about as heavy as a Football (Soccer).
(a.k.a. Soccer, a.k.a. Association Football) (FIFA Law 2 specification)
It's about one-and-one-tenth times as heavy as a Football (American).
In other words, 290 pennyweights is 1.097142857143 times the weight of a Football (American), and the weight of a Football (American) is 0.9114583333332 times that amount.
(a.k.a. "pigskin") (NFL standard)
It's about one-and-three-tenths times as heavy as a Can of Soup.
In other words, the weight of a Can of Soup is 0.77 times 290 pennyweights.
It's about seven-tenths as heavy as a Basketball.
In other words, 290 pennyweights is 0.72311688312 times the weight of a Basketball, and the weight of a Basketball is 1.3829022988 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 one-and-a-half times as heavy as a Human Heart.
In other words, the weight of a Human Heart is 0.67 times 290 pennyweights.
(human; adult)
It's about two times as heavy as a Hamster.
In other words, the weight of a Hamster is 0.5 times 290 pennyweights.
(for Syrian hamster, a.k.a. golden hamster, a.k.a. Mesocricetus auratus; adult)
It's about half as heavy as a liter of Water.
In other words, 290 pennyweights is 0.4509878 times the weight of a liter of Water, and the weight of a liter of Water is 2.217355 times that amount.
(fresh; 4° C / 39.2° F; maximum density)