US: 2-W to Europe Size 39

Cross-market children’s footwear width fitting conversion mapping 2-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 2-W | EU 18 | Foot Length 10 cm

Standard cross-walk matching active anthropometric row parameters.

US: 2-W to Europe Size 39 Width Conversion

Analyzing Shoe Width and Fitting Equivalence Across Markets

US: 2-W: Corresponds to a foot length of 10 $\text{cm}$ (3.9 $\text{in}$ ), ball width of 4.8 $\text{cm}$ (1.9 $\text{in}$ ), grade Wide (2E), growth margin 0.6 $\text{cm}$ , estimated age 6-9m, Mondopoint 100 $\text{mm}$ , and fit type Infant Wide (US 2 / Width 2E).

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).