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Official Boxing Weight Classes
| Weight Class | WBC | WBA | IBF | WBO | The Boxing Historian |
| 200 lb+ (90.72 kg +) | Heavyweight | Heavyweight | Heavyweight | Heavyweight | Heavyweight |
| 200 lb (90.72 kg) | Cruiserweight | Cruiserweight | Cruiserweight | Junior Heavyweight | Cruiserweight |
| 175 lb (79.4 kg) | Light Heavyweight | Light Heavyweight | Light Heavyweight | Light Heavyweight | Light Heavyweight |
| 168 lb (76.2 kg) | Super Middleweight | Super Middleweight | Super Middleweight | Super Middleweight | Super Middleweight |
| 160 lb (72.6 kg) | Middleweight | Middleweight | Middleweight | Middleweight | Middleweight |
| 154 lb (69.9 kg) | Super Welterweight | Super Welterweight | Junior Middleweight | Junior Middleweight | Junior Middleweight |
| 147 lb (66.7 kg) | Welterweight | Welterweight | Welterweight | Welterweight | Welterweight |
| 140 lb (63.5 kg) | Super Lightweight | Super Lightweight | Junior Welterweight | Junior Welterweight | Junior Welterweight |
| 135 lb (61.2 kg) | Lightweight | Lightweight | Lightweight | Lightweight | Lightweight |
| 130 lb (59.0 kg) | Super Featherweight | Super Featherweight | Junior Lightweight | Junior Lightweight | Junior Lightweight |
| 126 lb (57.2 kg) | Featherweight | Featherweight | Featherweight | Featherweight | Featherweight |
| 122 lb (55.3 kg) | Super Bantamweight | Super Bantamweight | Junior Featherweight | Junior Featherweight | Junior Featherweight |
| 118 lb (53.5 kg) | Bantamweight | Bantamweight | Bantamweight | Bantamweight | Bantamweight |
| 115 lb (52.2 kg) | Super Flyweight | Super Flyweight | Junior Bantamweight | Junior Bantamweight | Junior Bantamweight |
| 112 lb (50.8 kg) | Flyweight | Flyweight | Flyweight | Flyweight | Flyweight |
| 108 lb (49.0 kg) | Light Flyweight | Light Flyweight | Junior Flyweight | Junior Flyweight | Junior Flyweight |
| 105 lb (47.6 kg) | Straweight | Minimumweight | Mini-Flyweight | Mini-Flyweight | Strawweight |
| Traditional Eight Divisions | Professional Women's Weight Divisions | Amateur Weight Divisions |
| Heavyweight: (unlimited) | Heavyweight: over 189 lb (85.7 kg) | Super Heavyweight: over 201 |
| Light Heavyweight: 175 lb (79.4 kg) | Light Heavyweight: 176 lb (79.8 kg) | Heavyweight: 201 lb (91.2 kg) |
| Middleweight: 160 lb (72.6 kg) | Middleweight: 165 lb (74.8 kg) | Light Heavyweight: 178 lb (80.7 kg) |
| Welterweight: 147 lb (66.7 kg) | Light Middleweight: 154 lb (69.9 kg) | Middleweight: 165 lb (74.8 kg) |
| Lightweight: 135 lb (61.2 kg) | Welterweight: 145 lb (65.8 kg) | Welterweight: 152 lb (68.9 kg) |
| Featherweight: 126 lb (57.2 kg) | Light Welterweight: 138 lb (62.6 kg) | Light Welterweight: 141 lb (64 kg) |
| Bantamweight: 118 lb (53.5 kg) | Lightweight: 132 lb (59.9 kg) | Lightweight: 132 lb (59.9 kg) |
| Flyweight: (Maximum 112 pounds) | Featherweight: 125 lb (56.7 kg) | Featherweight: 125 lb (56.7 kg) |
| Bantamweight: 119 lb (54 kg) | Bantamweight: 119 lb (54 kg) | |
| Light Bantamweight: 114 lb (51.7 kg)> | Flyweight: 112 lb (50.8 kg) | |
| Flyweight: 110 lb (49.9 kg) | Light Flyweight: up to 106 pounds | |
| Light Flyweight: 106 lb (48.1 kg) | ||
| Pinweight: up to 101 pounds |
Last Updated on Monday, 10 January 2011 20:17
