US: 18 2XL to United Kingdom Size 14

US: 18 2XL: Features a height of 175 $\text{cm}$ (68.9 $\text{in}$), bust contour of 122 $\text{cm}$ (48 $\text{in}$), waist shaping of 103 $\text{cm}$ (40.6 $\text{in}$), hip flare of 128 $\text{cm}$ (50.4 $\text{in}$), and silhouette cut: Relaxed / A-Line Frock.

United Kingdom Size 14: Features a height of 173 $\text{cm}$ (68.1 $\text{in}$), bust contour of 98 $\text{cm}$ (38.6 $\text{in}$), waist shaping of 79 $\text{cm}$ (31.1 $\text{in}$), hip flare of 104 $\text{cm}$ (40.9 $\text{in}$), and silhouette cut: Drop-Waist / Shift.