US: 10-M to Europe Size 39

Cross-market children’s footwear width fitting conversion mapping 10-M 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 10-M | EU 27 | Foot Length 16.5 cm

Standard cross-walk matching active anthropometric row parameters.

US: 10-M to Europe Size 39 Width Conversion

Analyzing Shoe Width and Fitting Equivalence Across Markets

US: 10-M: Corresponds to a foot length of 16.5 $\text{cm}$ (6.5 $\text{in}$ ), ball width of 6.7 $\text{cm}$ (2.65 $\text{in}$ ), grade Medium / Standard (D), growth margin 1 $\text{cm}$ , estimated age 5-6y, Mondopoint 165 $\text{mm}$ , and fit type Little Kid Medium (US 10 / Width D).

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).