United Kingdom Size 28–30 to US: 2XL (20–22)
Cross-market women’s underwear, panty, and thong conversion mapping 28–30 specifications into 2XL (20–22).

Analyzing Women’s Underwear Size Equivalence Across Markets
United Kingdom Size 28–30: Waist contouring range of 99.1–104.1 (39–41 ), full hip range of 124.5–129.5 (49–51 ), style variants Extended Plus Briefs & Comfort Foundations, and fit classification Full Figure Plus Fit.
US: 2XL (20–22): Waist contouring range of 91.4–96.5 (36–38 ), full hip range of 116.8–121.9 (46–48 ), style variants Extended Plus Briefs & High-Waist Cuts, and fit classification Extended Plus Fit.
Other Conversions to US: 2XL (20–22)
United Kingdom Size 4–6 → us-2xl-20-224–6 to us-2xl-20-22
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United Kingdom Size 8–10 → us-2xl-20-228–10 to us-2xl-20-22
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United Kingdom Size 12–14 → us-2xl-20-2212–14 to us-2xl-20-22
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United Kingdom Size 16–18 → us-2xl-20-2216–18 to us-2xl-20-22
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United Kingdom Size 20–22 → us-2xl-20-2220–22 to us-2xl-20-22
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United Kingdom Size 24–26 → us-2xl-20-2224–26 to us-2xl-20-22
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United Kingdom Size 28–30 → us-2xl-20-2228–30 to us-2xl-20-22
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