The average chest size for a 9-year-old boy is 30 inches, according to the provided reference.
Here's a breakdown of the relevant size information:
Size Chart for Children (inches)
| Age | Chest (inches) | Waist (inches) | Collar Size (inches) |
|---|---|---|---|
| 3 | 22 | 21 | 11 |
| 9 | 30 | 25 | 12½ |
As you can see from the table, the chest measurement for a 9-year-old is 30 inches, while other measurements like waist and collar size are also provided. It is important to note that these are just averages, and individual children may vary.
This data is helpful when choosing clothing sizes, especially when purchasing items like school uniforms, as suggested by the reference source.
