Size Duel deck / Sport and everyday things
Football (size 5)
Mass: mass at the start of a match
about 430 g (15.2 oz)
Range used for fair duels: 410 g to 450 g.
Lighter than a basketball.
Sources and checks
Checked 2026-10-19: Claude (AI build agent): Wikidata statement compared, second-source quote verified in the fetched page. Quotes are short passages from each source.
Wikidata P2067: 430 gramQ12252328, CC0, retrieved 2026-10-19
“between 410 g (14 oz) and 450 g (16 oz) in weight at the start of the match”IFAB Laws of the Game, Law 2: source, retrieved 2026-10-19, read with a web fetch
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