US: 3T to Europe Size 104

US: 3T: Corresponds to a height baseline of 98 $\text{cm}$ (38.6 $\text{in}$), a chest baseline of 57 $\text{cm}$ (22.4 $\text{in}$), and a sleeve baseline of 36 $\text{cm}$ (14.2 $\text{in}$).

Europe Size 104: Corresponds to a height baseline of 104 $\text{cm}$ (40.9 $\text{in}$), a chest baseline of 59 $\text{cm}$ (23.2 $\text{in}$), and a sleeve baseline of 39 $\text{cm}$ (15.4 $\text{in}$).