United Kingdom Size 12–14 to US: S (4–6)
Cross-market women’s underwear, panty, and thong conversion mapping 12–14 specifications into S (4–6).

Analyzing Women’s Underwear Size Equivalence Across Markets
United Kingdom Size 12–14: Waist contouring range of 71.1–73.7 (28–29 ), full hip range of 96.5–99.1 (38–39 ), style variants Panties, Briefs, Bikinis & Boy Shorts, and fit classification Classic Regular Fit.
US: S (4–6): Waist contouring range of 66–68.6 (26–27 ), full hip range of 91.4–94 (36–37 ), style variants Panties, Thongs, Bikinis & Boy Shorts, and fit classification Slim Bodycon Fit.
Other Conversions to US: S (4–6)
United Kingdom Size 4–6 → us-s-4-64–6 to us-s-4-6
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United Kingdom Size 8–10 → us-s-4-68–10 to us-s-4-6
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United Kingdom Size 12–14 → us-s-4-612–14 to us-s-4-6
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United Kingdom Size 16–18 → us-s-4-616–18 to us-s-4-6
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United Kingdom Size 20–22 → us-s-4-620–22 to us-s-4-6
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United Kingdom Size 24–26 → us-s-4-624–26 to us-s-4-6
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United Kingdom Size 28–30 → us-s-4-628–30 to us-s-4-6
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