1.重量级Heavyweight(201磅以上91.25公斤级以上)
2.次重量级Cruiserweight(200磅90.8公斤级)
3.轻重量级LightHeavyweight(175磅79.45公斤级)
4.超中量级SuperMiddleweight(168磅76.27公斤级)
5.中量级Middleweight(160磅72.64公斤级)
6.超次中量级JuniorMiddleweight/SuperWelterweight(154磅69.91公斤级)
7.次中量级Welterweight(147磅66.74公斤级)
8.超次中量级/超轻量级JuniorWelterweight/SuperLightweight(140磅63.56公斤级)
9.轻量级Lightweight(135磅61.29公斤级)
10.超次轻量级/超羽量级JuniorLightweight/SuperFeatherweight(130磅59.02公斤级)
11.羽量级Featherweight(126磅57.2公斤级)
12.超次羽量级/超最轻量级JuniorFeatherweight/SuperBantamweight(122磅55公斤级)
13.最轻量级Bantamweight(118磅53.57公斤级)
14.最轻量级/蝇量级JuniorBantamweight/SuperFlyweight(115磅52.21公斤级)
15.蝇量级Flyweight(112磅50.84公斤级)
16.超次蝇量级/轻蝇量级JuniorFlyweight/LightFlyweight(108磅49.03公斤级)
17.迷你级MiniFlyweight/MinimumWeight(105磅48公斤级)