Correction for the weight of an American Football
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How heavy is 455 tolas (तोला)?
It's about thirteen times as heavy as an American Football
The weight of an American Football is about 35.243055555560 tolas (तोला).
(a.k.a. "pigskin") (NFL standard)
Per National Football League official rules, an American football must weigh between 34.02777777778 tolas (तोला) and 36.458333333330 tolas (तोला). Because of NFL regulations, ceremonial considerations, and backup requirements, each NFL Superbowl requires the manufacture of 144 balls exclusively for the event.