United Kingdom Size 4–6 to US: 2XL (20–22)

United Kingdom Size 4–6: Bust interval range of 80–85 $\text{cm}$ (31.5–33.5 $\text{in}$), natural waist range of 58.4–63.5 $\text{cm}$ (23–25 $\text{in}$), shoulder width of 36.8 $\text{cm}$ (14.5 $\text{in}$), sleeve length of 76.2 $\text{cm}$ (30 $\text{in}$), style variants Tank Tops, Camisoles, Slim T-Shirts & Fitted Sweaters, and fit classification Petite Contour Fit.

US: 2XL (20–22): Bust interval range of 113–119.4 $\text{cm}$ (44.5–47 $\text{in}$), natural waist range of 91.4–97.8 $\text{cm}$ (36–38.5 $\text{in}$), shoulder width of 45.1 $\text{cm}$ (17.75 $\text{in}$), sleeve length of 82.6 $\text{cm}$ (32.5 $\text{in}$), style variants Plus Blouses, Extended T-Shirts, Sweaters & Knitwear, and fit classification Extended Plus Fit.