US: 3T to Europe Size 50

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 50: Corresponds to a height baseline of 50 $\text{cm}$ (19.7 $\text{in}$), a weight baseline of 3.4 $\text{kg}$ (7.5 $\text{lbs}$), and a chest baseline of 38 $\text{cm}$ (15 $\text{in}$).