US: M to United Kingdom Size 6.5

US: M: Features a palm circumference of 19 $\text{cm}$ (7.5 $\text{in}$), finger length of 7.5 $\text{cm}$ (3 $\text{in}$), hand width of 8 $\text{cm}$ (3.1 $\text{in}$), and hand length of 18 $\text{cm}$ (7.1 $\text{in}$).

United Kingdom Size 6.5: Features a palm circumference of 16.5 $\text{cm}$ (6.5 $\text{in}$), finger length of 6.5 $\text{cm}$ (2.6 $\text{in}$), hand width of 7 $\text{cm}$ (2.8 $\text{in}$), and hand length of 16 $\text{cm}$ (6.3 $\text{in}$).