Size Child's Height
(cm / inch)
9 - 12 month 70 - 76 cm / 27.55 - 29.92
18 - 24 month 80 - 90 cm / 31.5 - 35.4
3 - 4 years old 91 - 104 cm / 35.8 - 41
5 - 6 years old 105 - 117 cm / 41.3 - 46.1
8 years old 118 - 130 cm / 46.5 - 51.2
10 years old  131 - 142 cm / 51.6 - 55.9