1.重量級heavyweight(201磅以上91.25公斤級以上)
2.次重量級cruiserweight(200磅90.8公斤級)
3.輕重量級lightheavyweight(175磅79.45公斤級)
4.超中量級supermiddleweight(168磅76.27公斤級)
5.中量級middleweight(160磅72.64公斤級)
6.超次中量級juniormiddleweight/superwelterweight(154磅69.91公斤級)
7.次中量級welterweight(147磅66.74公斤級)
8.超次中量級/超輕量級juniorwelterweight/superlightweight(140磅63.56公斤級)
9.輕量級lightweight(135磅61.29公斤級)
10.超次輕量級/超羽量級juniorlightweight/superfeatherweight(130磅59.02公斤級)
11.羽量級featherweight(126磅57.2公斤級)
12.超次羽量級/超最輕量級juniorfeatherweight/superbantamweight(122磅55公斤級)
13.最輕量級bantamweight(118磅53.57公斤級)
14.最輕量級/蠅量級juniorbantamweight/superflyweight(115磅52.21公斤級)
15.蠅量級flyweight(112磅50.84公斤級)
16.超次蠅量級/輕蠅量級juniorflyweight/lightflyweight(108磅49.03公斤級)
17.迷你級miniflyweight/minimumweight(105磅48公斤級)
2.次重量級cruiserweight(200磅90.8公斤級)
3.輕重量級lightheavyweight(175磅79.45公斤級)
4.超中量級supermiddleweight(168磅76.27公斤級)
5.中量級middleweight(160磅72.64公斤級)
6.超次中量級juniormiddleweight/superwelterweight(154磅69.91公斤級)
7.次中量級welterweight(147磅66.74公斤級)
8.超次中量級/超輕量級juniorwelterweight/superlightweight(140磅63.56公斤級)
9.輕量級lightweight(135磅61.29公斤級)
10.超次輕量級/超羽量級juniorlightweight/superfeatherweight(130磅59.02公斤級)
11.羽量級featherweight(126磅57.2公斤級)
12.超次羽量級/超最輕量級juniorfeatherweight/superbantamweight(122磅55公斤級)
13.最輕量級bantamweight(118磅53.57公斤級)
14.最輕量級/蠅量級juniorbantamweight/superflyweight(115磅52.21公斤級)
15.蠅量級flyweight(112磅50.84公斤級)
16.超次蠅量級/輕蠅量級juniorflyweight/lightflyweight(108磅49.03公斤級)
17.迷你級miniflyweight/minimumweight(105磅48公斤級)