US: 46 to United Kingdom Size 28

US: 46: Corresponds to a waist size of 115 $\text{cm}$ (46 $\text{in}$), total strap length of 130 $\text{cm}$ (51.2 $\text{in}$), and recommended fit classification Relaxed / Expanded.

United Kingdom Size 28: Corresponds to a waist size of 70 $\text{cm}$ (28 $\text{in}$), total strap length of 85 $\text{cm}$ (33.5 $\text{in}$), and recommended fit classification Snug / Tailored.