Kendo shinai sizes
| Group | Shinai length and size |
|---|---|
| Junior High School – 12–15 years | 114cm or less – Size 37 |
| Senior High School – 15–18 | 117cm or less – Size 38 |
| University & Adults – 18 years + | 120cm or less – Size 39 |
Source: Wikipedia (CC BY-SA 4.0).
Data: Wikipedia (English) (CC BY-SA 4.0). Retrieved 2026-10-22.