Correction for the weight of an American Football
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How heavy is 42,000 hundredweight?
It's about 4,500,000 times as heavy as an American Football
The weight of an American Football is about 0.0090625 hundredweight.
(a.k.a. "pigskin") (NFL standard)
Per National Football League official rules, an American football must weigh between 0.00875 hundredweight and 0.009375 hundredweight. Because of NFL regulations, ceremonial considerations, and backup requirements, each NFL Superbowl requires the manufacture of 144 balls exclusively for the event.