Is 456 carats as heavy as an American Football?

It's about one-fourth as heavy as an American Football

The weight of an American Football is about 2,003.2894736880 carats.

(a.k.a. "pigskin") (NFL standard)

Per National Football League official rules, an American football must weigh between 1,934.2105263190 carats and 2,072.3684210560 carats. 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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http://www.amazon.com/Official-Playing-Rules-NFL-2008/dp/1600781438/ref=sr_1_2?ie=UTF8&s=books&qid=1277626834&sr=8-2#reader_1600781438 

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APA Style (7th Ed.)

The Measure of Things. (2024). Is 456 carats as heavy as an American Football?. Retrieved April 18, 2024 from themeasureofthings.com/singleresult.php?comp=weight&unit=c&amt=456&i=42

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MLA Style (8th Ed.)

"Is 456 carats as heavy as an American Football?" The Measure of Things, 2024, themeasureofthings.com/singleresult.php?comp=weight&unit=c&amt=456&i=42. Accessed 18 Apr 2024.

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Chicago Style (17th Ed.)

"Is 456 carats as heavy as an American Football?." The Measure of Things. 2024. https://themeasureofthings.com/singleresult.php?comp=weight&unit=c&amt=456&i=42.

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