US: 36 to United Kingdom Size 34

US: 36: Corresponds to a waist size of 90 $\text{cm}$ (36 $\text{in}$), total strap length of 105 $\text{cm}$ (41.3 $\text{in}$), and recommended fit classification Standard / Regular.

United Kingdom Size 34: Corresponds to a waist size of 85 $\text{cm}$ (34 $\text{in}$), total strap length of 100 $\text{cm}$ (39.4 $\text{in}$), and recommended fit classification Standard / Regular.