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

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

From Standard & Size
UK
Converted Equivalent
US
L (12–14)
Based on row equivalence: US L (12–14) | EU 44–46
Standard cross-walk matching active anthropometric row parameters.
United Kingdom Size 16–18 to US: S (4–6) Conversion

Analyzing Women’s Underwear Size Equivalence Across Markets

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.

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.

Other Conversions to US: S (4–6)