United Kingdom Size 24-26 to US: 16-18

United Kingdom Size 24-26: Corresponds to a relaxed bust range of 113–117 $\text{cm}$ (44.5–46.1 $\text{in}$), elastic waist range of 95–100 $\text{cm}$ (37.4–39.4 $\text{in}$), and comfort drape classification Loose Lounge Fit.

US: 16-18: Corresponds to a relaxed bust range of 105–109 $\text{cm}$ (41.3–42.9 $\text{in}$), elastic waist range of 87–92 $\text{cm}$ (34.3–36.2 $\text{in}$), and comfort drape classification Loose Lounge Fit.