Europe Size 49 to US: 31

Europe Size 49: Features a waist girth of 84 $\text{cm}$ (33.1 $\text{in}$), inseam length of 81 $\text{cm}$ (31.9 $\text{in}$), rise depth of 26.5 $\text{cm}$, and hip allowance of 103 $\text{cm}$.

US: 31: Features a waist girth of 79 $\text{cm}$ (31.1 $\text{in}$), inseam length of 79 $\text{cm}$ (31.1 $\text{in}$), rise depth of 25.5 $\text{cm}$, and hip allowance of 97 $\text{cm}$.