How big is a hockey puck? July 27, 2020February 17, 2012 by Pamela Landy Usually made of vulcanized rubber, an ice hockey puck is 3 inches in diameter, 1 inch thick, and weighs 5.5 to 6 ounces. Related Answers What was the first American city to be admitted to the National Hockey League? Who was the first black professional hockey player? How much beef does McDonald’s use each year? Which ice hockey player holds the lifetime record for scoring goals? How was the inch developed? How far is the pitching mound from home plate?