US Size 18 is a clothing size commonly used in women's apparel in the United States. It typically corresponds to a bust measurement of 42-43 inches, a waist measurement of 34-35 inches, and hip measurements of 44-45 inches. This size is part of the standard sizing system that helps consumers find clothing that fits well. In the context of plus-size fashion, US Size 18 is often considered a starting point for larger sizes. Many brands offer a range of styles and designs specifically tailored for this size, ensuring that women can find fashionable options that suit their body shape and personal style.