A European shoe size 39 converts to a US women's size 8.5. 12346

This equivalence appears consistently across multiple women's shoe size charts from retailers and brands. For example:

• Grivet Outdoors lists EU 39 as US 8.5 (with nearby sizes like US 8 at EU 38-39 and US 9 at EU 39-40).1
• Veronica Beard explicitly states EU 39 is US 8.5.2
• Shoe City, Shoe-Inn, and Ron White Shoes confirm the same mapping.346

Note: For men's shoes, EU 39 typically converts to US 6 or 6.5, as shown in charts from Grivet Outdoors, Shoe City, and Shoe Carnival.137 Shoe sizes can vary slightly by brand, foot width, or style, so check specific retailer charts or measure foot length (EU 39 ≈ 24.1-24.6 cm).13