US: 6-9M to Europe Size 68

US: 6-9M: Corresponds to a height baseline of 74 $\text{cm}$ (29.1 $\text{in}$), a weight baseline of 9.5 $\text{kg}$ (21 $\text{lbs}$), and a chest baseline of 48 $\text{cm}$ (18.9 $\text{in}$).

Europe Size 68: Corresponds to a height baseline of 68 $\text{cm}$ (26.8 $\text{in}$), a weight baseline of 8 $\text{kg}$ (17.5 $\text{lbs}$), and a chest baseline of 46 $\text{cm}$ (18.1 $\text{in}$).