What is the dimension of a standard hockey puck?

A standard hockey puck has a diameter of 3 inches and a thickness of 1 inch. This dimension is specific to the International Ice Hockey Federation (IIHF) and the National Hockey League (NHL), where it has been standardized to ensure consistency in competitive play. The 3-inch diameter allows for the puck to travel quickly across the ice surface and fit through the various openings of modern hockey equipment, such as sticks and goal nets, while also being manageable for players to handle and shoot effectively. Understanding these dimensions is essential for anyone involved in the sport, from players to coaches to fans, as it is integral to the game's mechanics and regulations.