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

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

From Standard & Size
US
Converted Equivalent
UK
20–22
Based on row equivalence: US XL (16–18) | EU 48–50
Standard cross-walk matching active anthropometric row parameters.
US: XL (16–18) to United Kingdom Size 4–6 Conversion

Analyzing Women’s Underwear Size Equivalence Across Markets

US: XL (16–18): Waist contouring range of 83.8–88.9 cm\text{cm} (33–35 in\text{in}), full hip range of 109.2–114.3 cm\text{cm} (43–45 in\text{in}), style variants Full Briefs, High-Waist & Boy Shorts, and fit classification Generous Full Fit.

United Kingdom Size 4–6: Waist contouring range of 58.4–63.5 cm\text{cm} (23–25 in\text{in}), full hip range of 83.8–88.9 cm\text{cm} (33–35 in\text{in}), style variants Thongs, Bikinis & Cheeky Cuts, and fit classification Petite Contour Fit.

Other Conversions to United Kingdom Size 4–6