US: S (4–6) to United Kingdom Size 16–18

Cross-market women’s underwear, panty, and thong conversion mapping S (4–6) specifications into 16–18.

From Standard & Size
US
Converted Equivalent
UK
8–10
Based on row equivalence: US S (4–6) | EU 36–38
Standard cross-walk matching active anthropometric row parameters.
US: S (4–6) to United Kingdom Size 16–18 Conversion

Analyzing Women’s Underwear Size Equivalence Across Markets

US: S (4–6): Waist contouring range of 66–68.6 cm\text{cm} (26–27 in\text{in}), full hip range of 91.4–94 cm\text{cm} (36–37 in\text{in}), style variants Panties, Thongs, Bikinis & Boy Shorts, and fit classification Slim Bodycon Fit.

United Kingdom Size 16–18: Waist contouring range of 76.2–81.3 cm\text{cm} (30–32 in\text{in}), full hip range of 101.6–106.7 cm\text{cm} (40–42 in\text{in}), style variants Briefs, High-Waist Panties & Boy Shorts, and fit classification Comfort Stretch Fit.

Other Conversions to United Kingdom Size 16–18