United Kingdom Size 4–6 to US: M (8–10)

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: M (8–10): Bust interval range of 91.4–96.5 $\text{cm}$ (36–38 $\text{in}$), natural waist range of 69.9–74.9 $\text{cm}$ (27.5–29.5 $\text{in}$), shoulder width of 39.4 $\text{cm}$ (15.5 $\text{in}$), sleeve length of 78.7 $\text{cm}$ (31 $\text{in}$), style variants Blouses, T-Shirts, Tank Tops, Sweaters & Cardigans, and fit classification Classic Regular Fit.