US: 8-10 to United Kingdom Size 16

US: 8-10: Waist range of 70–75 $\text{cm}$ (27.6–29.5 $\text{in}$), hip range of 96–101 $\text{cm}$ (37.8–39.8 $\text{in}$), lengths (Mini/Midi/Maxi): 45/78/103 $\text{cm}$ (17.7/30.7/40.6 $\text{in}$), and fit style Fitted Waist / A-Line & Straight.

United Kingdom Size 16: Waist range of 76–82 $\text{cm}$ (29.9–32.3 $\text{in}$), hip range of 102–108 $\text{cm}$ (40.2–42.5 $\text{in}$), lengths (Mini/Midi/Maxi): 47/80/105 $\text{cm}$ (18.5/31.5/41.3 $\text{in}$), and fit style Fitted Waist / A-Line & Straight.