US: 7-3A to United Kingdom Size 6-AA

Cross-market men’s shoe width conversion mapping 7-3A specifications into 6-AA.

Analyzing Shoe Width Equivalence Across Markets

US: 7-3A: Corresponds to a foot length of 23.8 $\text{cm}$ (9.35 $\text{in}$ ), ball width of 9 $\text{cm}$ (3.5 $\text{in}$ ), acceptable ball width range between 8.8–9.2 $\text{cm}$ (3.45–3.6 $\text{in}$ ), and fit classification Extra Narrow (7-3A / AAAA).

United Kingdom Size 6-AA: Corresponds to a foot length of 23.8 $\text{cm}$ (9.35 $\text{in}$ ), ball width of 9 $\text{cm}$ (3.5 $\text{in}$ ), acceptable ball width range between 8.8–9.2 $\text{cm}$ (3.45–3.6 $\text{in}$ ), and fit classification Extra Narrow (7-3A / AAAA).