US: 0-3M to Europe Size 44

US: 0-3M: Corresponds to a height baseline of 56 $\text{cm}$ (22 $\text{in}$), a weight baseline of 5 $\text{kg}$ (11 $\text{lbs}$), and a chest baseline of 41 $\text{cm}$ (16.1 $\text{in}$).

Europe Size 44: Corresponds to a height baseline of 44 $\text{cm}$ (17.3 $\text{in}$), a weight baseline of 2.3 $\text{kg}$ (5 $\text{lbs}$), and a chest baseline of 35 $\text{cm}$ (13.8 $\text{in}$).