Correction for the weight of an American Football
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How heavy is 109.3750 fluid drams (ʒ)?
It's about one-and-one-tenth times as heavy as an American Football
The weight of an American Football is about 105.72916666670 fluid drams (ʒ).
(a.k.a. "pigskin") (NFL standard)
Per National Football League official rules, an American football must weigh between 102.0833333333 fluid drams (ʒ) and 109.3750 fluid drams (ʒ). Because of NFL regulations, ceremonial considerations, and backup requirements, each NFL Superbowl requires the manufacture of 144 balls exclusively for the event.