Standard Measurements used in Boxing
Ring: Professional matches take place in an area not less than 18 nor more than 24 feet square including apron. It is enclosed by four covered ropes, each not less than one inch in diameter. The floor has a 2-inch padding of Ensolite (or equivalent) underneath ring cover that extends at least 6 inches beyond the roped area in the case of elevated rings. For USA Boxing or Olympic-style boxing, not less than 16 nor more than 20 feet square within the ropes. The floor must extend beyond the ring ropes not less than 2 feet. The ring posts shall be connected to the four ring ropes with the extension not shorter than 18 inches and must be properly padded. Gloves: In professional fights, not less than 8-ounce gloves generally are used. USA Boxing, 10 ounces for boxers 106 pounds through 156 pounds; 12-ounce for boxers 165 pounds through 201+ pounds; for international competition, 8 ounces for lighter classes, 10 ounces for heavier divisions. Headguards: Mandatory in Olympic-style boxing.