Europe Size 42 to US: 7
Cross-market women’s shoes, heels, boots, flats, and sneakers conversion mapping 42 specifications into 7.

Analyzing Footwear Size Equivalence Across Markets
Europe Size 42: Features a foot length of 26.7 (10.5 ), ball width of 10 (3.94 ), heel height of 6 (2.4 ), and Flat-to-Medium Arch support optimized for women’s footwear.
US: 7: Features a foot length of 23.5 (9.25 ), ball width of 8.8 (3.46 ), and heel height of 7.5 (3 ), and Medium-to-High Arch support optimized for women’s footwear.