Rink Buddy › Hockey rules › Hockey puck size and weight
Hockey puck size and weight
An NHL puck is 1 inch thick and 3 inches across.1 It weighs between 5.5 and 6 ounces.1 Pucks are vulcanized rubber or another approved material, and the league must approve every puck used.1 (NHL Rule 13)
The details
The home team must supply enough official pucks and keep them frozen, stored at the penalty bench. (Rule 13)1
If a second puck shows up on the ice during play, play continues with the legal puck until possession changes. (Rule 13)1
The IIHF puck is 2.5 cm thick, 7.6 cm across and weighs 156 to 170 grams.2
More hockey rules
Hockey rink dimensions · Hockey terms and slang · How many periods are in hockey? · All hockey rules
Sources
- NHL Official Rules 2025-26 (league) · accessed 2026-10-23
- IIHF Official Rule Book 2026/27 · accessed 2026-10-23
Rules are paraphrased, not quoted; the rulebook wins wherever wording matters. NHL rules unless a league is named.