United Kingdom Size 24 to US: S

United Kingdom Size 24: Corresponds to a waist/hip size of 110 $\text{cm}$ (44 $\text{in}$), waist range of 102–112 $\text{cm}$ (40.2–44.1 $\text{in}$), total strap length of 120 $\text{cm}$ (47.2 $\text{in}$), and fit classification Extended Plus.

US: S: Corresponds to a waist/hip size of 75 $\text{cm}$ (30 $\text{in}$), waist range of 66–76 $\text{cm}$ (26–29.9 $\text{in}$), total strap length of 85 $\text{cm}$ (33.5 $\text{in}$), and fit classification Standard Waist / Hip.