United Kingdom Size 3-A to US: 7-4A

Cross-market women’s shoe width conversion mapping 3-A specifications into 7-4A.

From Standard & Size

Converted Equivalent

5-2A

Based on row equivalence: US 5-2A | EU 35-E | Foot Length 21.9 cm

Standard cross-walk matching active anthropometric row parameters.

United Kingdom Size 3-A to US: 7-4A Conversion

Analyzing Women’s Shoe Width Equivalence Across Markets

United Kingdom Size 3-A: Corresponds to a forefoot ball width of 7.9 $\text{cm}$ (3.1 $\text{in}$ ), ball width range of 7.7–8.1 $\text{cm}$ (3.05–3.2 $\text{in}$ ), reference foot length of 21.9 $\text{cm}$ (8.6 $\text{in}$ ), and fit classification Narrow (5-2A / A).

US: 7-4A: Corresponds to a forefoot ball width of 8 $\text{cm}$ (3.15 $\text{in}$ ), ball width range of 7.8–8.2 $\text{cm}$ (3.05–3.25 $\text{in}$ ), reference foot length of 23 $\text{cm}$ (9.05 $\text{in}$ ), and fit classification Extra Narrow (7-4A / Slim).