US: 9-XW to Europe Size 39

Cross-market children’s footwear width fitting conversion mapping 9-XW specifications into 39 for Brannock infant/child grades, M/W/XW sizing indexes, and ball width dimensions.

From Standard & Size
US
Converted Equivalent
EU
26
Based on row equivalence: US 9-XW | EU 26 | Foot Length 15.5 cm
Standard cross-walk matching active anthropometric row parameters.
US: 9-XW to Europe Size 39 Width Conversion

Analyzing Shoe Width and Fitting Equivalence Across Markets

US: 9-XW: Corresponds to a foot length of 15.5 cm\text{cm} (6.1 in\text{in}), ball width of 7.1 cm\text{cm} (2.8 in\text{in}), grade Extra-Wide (4E), growth margin 0.9 cm\text{cm}, estimated age 4-5y, Mondopoint 155 mm\text{mm}, and fit type Toddler Extra-Wide (US 9 / Width 4E).

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

Other Width Conversions to Europe Size 39