US: 12M to Europe Size 74

US: 12M: Corresponds to a height baseline of 80 $\text{cm}$ (31.5 $\text{in}$), a weight baseline of 11 $\text{kg}$ (24 $\text{lbs}$), and a chest baseline of 50 $\text{cm}$ (19.7 $\text{in}$).

Europe Size 74: Corresponds to a height baseline of 74 $\text{cm}$ (29.1 $\text{in}$), a weight baseline of 9.5 $\text{kg}$ (21 $\text{lbs}$), and a chest baseline of 48 $\text{cm}$ (18.9 $\text{in}$).