US: 50-52 to United Kingdom Size 32

US: 50-52: Corresponds to a relaxed chest range of 122–126 $\text{cm}$ (48–49.6 $\text{in}$), elastic waist range of 108–114 $\text{cm}$ (42.5–44.9 $\text{in}$), and fit classification Loose Lounge Fit.

United Kingdom Size 32: Corresponds to a relaxed chest range of 82–86 $\text{cm}$ (32.3–33.9 $\text{in}$), elastic waist range of 68–72 $\text{cm}$ (26.8–28.3 $\text{in}$), and fit classification Relaxed / Comfort Fit.