How heavy is the hammer in the hammer throw?
The men's hammer weighs 7.26 kg (16 lb), the same as the men's shot, and the women's 4 kg. U20 men throw 6 kg and U18 boys 5 kg; U18 girls throw 3 kg.
| Level | Men / boys | Women / girls |
|---|---|---|
| Senior | 7.26 kg (16 lb) | 4 kg |
| U20 | 6 kg | 4 kg |
| U18 | 5 kg | 3 kg |
Ball, wire and handle
The weight is the whole implement: the metal ball, the steel wire and the grip. The thrower turns in a 2.135 metre circle, the same size as the shot put circle, inside a cage.
Sources: World Athletics Book of Rules: Competition and Technical Rules. Updated 2026-10-31.