US: 0-W to Europe Size 39

Cross-market children’s footwear width fitting conversion mapping 0-W specifications into 39 for Brannock infant/child grades, M/W/XW sizing indexes, and ball width dimensions.

From Standard & Size

Converted Equivalent

Based on row equivalence: US 0-W | EU 16 | Foot Length 8.5 cm

Standard cross-walk matching active anthropometric row parameters.

US: 0-W to Europe Size 39 Width Conversion

Analyzing Shoe Width and Fitting Equivalence Across Markets

US: 0-W: Corresponds to a foot length of 8.5 $\text{cm}$ (3.3 $\text{in}$ ), ball width of 3.8 $\text{cm}$ (1.5 $\text{in}$ ), grade Narrow (B), growth margin 0.5 $\text{cm}$ , estimated age 0-3m, Mondopoint 85 $\text{mm}$ , and fit type Infant Narrow (US 0 / Width B).

Europe Size 39: Corresponds to a foot length of 24.5 $\text{cm}$ (9.6 $\text{in}$ ), ball width of 10 $\text{cm}$ (3.95 $\text{in}$ ), grade Extra-Wide (4E), growth margin 1.2 $\text{cm}$ , estimated age 13y+, Mondopoint 245 $\text{mm}$ , and fit type Big Kid Extra-Wide (US 7 / Width 4E).