Size Duel deck / Sport, food and everyday things
Rugby ball
Mass: full-size rugby union ball
about 435 g (15.3 oz)
Range used for fair duels: 410 g to 460 g.
About as heavy as a football.
Sources and checks
Checked 2026-10-21: Researched by Codex (two independent publishers, verbatim quotes); every counted quote re-found on its page by the server check (content-verify); scope and plausibility reviewed by Claude (AI build agent). Quotes are short passages from each source, in their original language.
“410-460 grams”World Rugby: source, retrieved 2026-10-21; quote re-found by the server check
“410–460 gram”Store norske leksikon (in Norwegian): source, retrieved 2026-10-21; quote re-found by the server checkSpotted a mistake? Tell us; a correction gets a new revision.