Europe Size 54-20-145 to US: M

Europe Size 54-20-145: Corresponds to a lens width baseline of 54 $\text{mm}$ (2.13 $\text{in}$), bridge width of 20 $\text{mm}$, temple arm length of 145 $\text{mm}$, and fit classification Wide / Large Frame.

US: M: Corresponds to a lens width baseline of 52 $\text{mm}$ (2.05 $\text{in}$), bridge width of 19 $\text{mm}$, temple arm length of 145 $\text{mm}$, and fit classification Standard / Regular Frame.