Europe Size 20 to US: 13-M

Cross-market children’s footwear width fitting conversion mapping 20 specifications into 13-M for Brannock infant/child grades, M/W/XW sizing indexes, and ball width dimensions.

From Standard & Size
EU
Converted Equivalent
US
4-XW
Based on row equivalence: US 4-XW | EU 20 | Foot Length 11.5 cm
Standard cross-walk matching active anthropometric row parameters.
Europe Size 20 to US: 13-M Width Conversion

Analyzing Shoe Width and Fitting Equivalence Across Markets

Europe Size 20: Corresponds to a foot length of 11.5 cm\text{cm} (4.5 in\text{in}), ball width of 5.6 cm\text{cm} (2.2 in\text{in}), grade Extra-Wide (4E), growth margin 0.6 cm\text{cm}, estimated age 12-18m, Mondopoint 115 mm\text{mm}, and fit type Infant Extra-Wide (US 4 / Width 4E).

US: 13-M: Corresponds to a foot length of 19 cm\text{cm} (7.5 in\text{in}), ball width of 7.3 cm\text{cm} (2.85 in\text{in}), grade Medium / Standard (D), growth margin 1 cm\text{cm}, estimated age 8-9y, Mondopoint 190 mm\text{mm}, and fit type Little Kid Medium (US 13 / Width D).

Other Width Conversions to US: 13-M