WKO Adult Title Weight Divisions
Male
Weight class name Upper limit
in kilograms (kg) in pounds (lb)
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Flyweight 50.5 111.3
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Super Flyweight 52 114.6
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Bantamweight 53.5 117.9
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Super Bantamweight 55 121.3
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Featherweight 57 125.7
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Super Featherweight 59 130.1
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Lightweight 61.5 135.6
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Super Lightweight 64 141.1
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Welterweight 67 147.7
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Super Welterweight 70 154.3
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Middleweight 73 160.9
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Super Middleweight 76 167.6
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Light-Heavyweight 79 174.2
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Super Light-Heavyweight 82.5 181.9
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Cruiserweight 86 189.6
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Super Cruiserweight 90 198.4
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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
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