US: 3T to Europe Size 56

US: 3T: Corresponds to a height baseline of 98 $\text{cm}$ (38.6 $\text{in}$), a weight baseline of 15 $\text{kg}$ (33 $\text{lbs}$), and a chest baseline of 57 $\text{cm}$ (22.4 $\text{in}$).

Europe Size 56: 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 $\text{in}$).