WKO Adult Title Weight Divisions
Male
Weight class name Upper limit
in kilograms (kg) in pounds (lb)
Flyweight 50.5 111.3
Super Flyweight 52 114.6
Bantamweight 53.5 117.9
Super Bantamweight 55 121.3
Featherweight 57 125.7
Super Featherweight 59 130.1
Lightweight 61.5 135.6
Super Lightweight 64 141.1
Welterweight 67 147.7
Super Welterweight 70 154.3
Middleweight 73 160.9
Super Middleweight 76 167.6
Light-Heavyweight 79 174.2
Super Light-Heavyweight 82.5 181.9
Cruiserweight 86 189.6
Super Cruiserweight 90 198.4
Heavyweight 95 209.4
Super Heavyweight No weight limit
Female
Weight class name Upper limit
in kilograms (kg) in pounds (lb)
Flyweight 50.5 111.3
Super Flyweight 52 114.6
Bantamweight 53.5 117.9
Super Bantamweight 55 121.3
Featherweight 57 125.7
Super Featherweight 59 130.1
Lightweight 61.5 135.6
Super Lightweight 64 141.1
Welterweight 67 147.7
Super Welterweight 70 154.3
Middleweight 73 160.9
Super Middleweight 76 167.6
Light-Heavyweight No Weight Limit