Featherweight: weight limits by sport
| Rule set | From | Up to |
|---|---|---|
| Professional boxing | 55.3 kg (121.9 lb) | 57.2 kg (126.1 lb) |
| Amateur boxing (men) | 54.0 kg (119.0 lb) | 57.0 kg (125.7 lb) |
| Amateur boxing (women) | 55.0 kg (121.3 lb) | 57.5 kg (126.8 lb) |
| Amateur boxing (junior) | 54.0 kg (119.0 lb) | 57.0 kg (125.7 lb) |
| Mixed martial arts (Unified Rules) | 61.2 kg (134.9 lb) | 65.8 kg (145.1 lb) |
| Olympic taekwondo (men) | 58.0 kg (127.9 lb) | 68.0 kg (149.9 lb) |
| Olympic taekwondo (women) | 49.0 kg (108.0 lb) | 57.0 kg (125.7 lb) |
| Olympic boxing (men), 2024 | 51.0 kg (112.4 lb) | 57.0 kg (125.7 lb) |
| Olympic boxing (women), 2024 | 54.0 kg (119.0 lb) | 57.0 kg (125.7 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.