European Size 40 typically corresponds to a women's medium or a men's large in clothing. In terms of measurements, it usually translates to a bust size of about 98-102 cm, a waist size of 76-80 cm, and hip measurements of 104-108 cm. This size is commonly used in various clothing brands across Europe. In the context of shoe sizes, European Size 40 generally equates to a women's size 7.5 to 8 in the U.S. or a men's size 7.5. It is important to note that sizing can vary between different brands and styles, so trying on clothing or shoes is recommended for the best fit.