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1.000028 kilograms is about two-and-a-half times as heavy as a Football (American)
In other words, it's 2.4327551462420 times the weight of a Football (American), and the weight of a Football (American) is 0.41105657572850 times that amount.
(a.k.a. "pigskin") (NFL standard)
Per National Football League official rules, an American football must weigh between 0.396893323750 kilograms and 0.4252428468750 kilograms. Because of NFL regulations, ceremonial considerations, and backup requirements, each NFL Superbowl requires the manufacture of 144 balls exclusively for the event.
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