US: 12 to Europe Size 116

US: 12: Corresponds to a height baseline of 152 $\text{cm}$ (59.8 $\text{in}$), chest/bust baseline of 76 $\text{cm}$ (29.9 $\text{in}$), and waist baseline of 65 $\text{cm}$ (25.6 $\text{in}$).

Europe Size 116: Corresponds to a height baseline of 116 $\text{cm}$ (45.7 $\text{in}$), chest/bust baseline of 60 $\text{cm}$ (23.6 $\text{in}$), and waist baseline of 55 $\text{cm}$ (21.7 $\text{in}$).