Flyweight: weight limits by sport
| Rule set | From | Up to |
|---|---|---|
| Professional boxing | 49.0 kg (108.0 lb) | 50.8 kg (112.0 lb) |
| Amateur boxing (men) | 48.0 kg (105.8 lb) | 51.0 kg (112.4 lb) |
| Amateur boxing (women) | 50.0 kg (110.2 lb) | 52.5 kg (115.7 lb) |
| Amateur boxing (junior) | 48.0 kg (105.8 lb) | 50.0 kg (110.2 lb) |
| Mixed martial arts (Unified Rules) | 52.2 kg (115.1 lb) | 56.7 kg (125.0 lb) |
| Olympic taekwondo (men) | — | 58.0 kg (127.9 lb) |
| Olympic taekwondo (women) | — | 49.0 kg (108.0 lb) |
| Olympic boxing (women), 2024 | — | 50.0 kg (110.2 lb) |
| Olympic freestyle wrestling (women), 2020–2028 | — | 50.0 kg (110.2 lb) |
The same class name can mean very different weights in different sports. Check a weight in every rule set.
Source: tables in the linked Wikipedia articles (CC BY-SA 4.0).
Data: Wikipedia (English) (CC BY-SA 4.0). Retrieved 2026-10-22.
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