Europe Size 80 to US: 2T

Europe Size 80: 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 $\text{in}$).

US: 2T: Corresponds to a height baseline of 92 $\text{cm}$ (36.2 $\text{in}$), a weight baseline of 14 $\text{kg}$ (30.5 $\text{lbs}$), and a chest baseline of 54 $\text{cm}$ (21.3 $\text{in}$).