US: 7-B to United Kingdom Size 3-AA

Cross-market women’s shoe width conversion mapping 7-B specifications into 3-AA.

From Standard & Size

Converted Equivalent

5-C

Based on row equivalence: US 7-B | EU 37-F | Foot Length 23 cm

Standard cross-walk matching active anthropometric row parameters.

US: 7-B to United Kingdom Size 3-AA Conversion

Analyzing Women’s Shoe Width Equivalence Across Markets

US: 7-B: Corresponds to a forefoot ball width of 8.8 $\text{cm}$ (3.45 $\text{in}$ ), ball width range of 8.6–9 $\text{cm}$ (3.4–3.55 $\text{in}$ ), reference foot length of 23 $\text{cm}$ (9.05 $\text{in}$ ), and fit classification Standard Width (7-B).

United Kingdom Size 3-AA: Corresponds to a forefoot ball width of 7.6 $\text{cm}$ (3 $\text{in}$ ), ball width range of 7.4–7.8 $\text{cm}$ (2.9–3.1 $\text{in}$ ), reference foot length of 21.9 $\text{cm}$ (8.6 $\text{in}$ ), and fit classification Extra Narrow (5-4A / Slim).