Europe Size 43 to US: 6
Cross-market women’s shoes, heels, boots, flats, and sneakers conversion mapping 43 specifications into 6.

Analyzing Footwear Size Equivalence Across Markets
Europe Size 43: Features a foot length of 27.6 (10.85 ), ball width of 10.3 (4.05 ), heel height of 5 (2 ), and Flat-to-Medium Arch support optimized for women’s footwear.
US: 6: Features a foot length of 22.9 (9 ), ball width of 8.5 (3.3 ), and heel height of 6 (2.4 ), and Medium Arch support optimized for women’s footwear.