职业拳击比赛分为17个体重级别。
(1)Heavyweight (201磅以上)重量级(91.25公斤级以上)(2)Cruiserweight (200磅)次重量级(90.8公斤级
(3)Light Heavyweight (175磅)轻重量级(79.45公斤级)
(4)Super Middleweight (168磅)超中量级(76.27公斤级)
(5)Middleweight (160磅)中量级(72.64公斤级)
(6)Junior Middleweight/Super Welterweight (154磅)超次中量级 (69.91公斤级)
(7)Welterweight (147磅)次中量级 (66.74公斤级)
(8)Junior Welterweight/Super Lightweight (140磅)初中量级/超轻量级 (63.56公斤级)
(9)Lightweight (135磅)轻量级(61.29公斤级)
(10)Junior Lightweight/Super Featherweight (130磅)次轻量级/超羽量级 (59.02公斤级)
(11)Featherweight (126磅)羽量级 (57.2公斤级)
(12)Junior Featherweight/Super Bantamweight (122磅)超最轻量级(55公斤级)
(13)Bantamweight (118磅)最轻量级(53.57公斤级)
(14)Junior Bantamweight/Super Flyweight (115磅)超次最轻量级(52.21公斤级)
(15)Flyweight (112磅)次最轻量级/蝇量级(50.84公斤级)
(16)Junior Flyweight/Light Flyweight (108磅)最次轻量级(49.03公斤级)
(17)Mini Flyweight/Minimum Weight (105磅)迷你轻量级(48公斤级)
