Average length of forearm, by age

 

 Age Girls Boys
  cm cm
8 or younger 22.3 22.6
9 22.0 22.7
10 22.8 23.1
11 23.8 24.0
12 24.7 25.2
13 25.2 26.5
14 25.5 27.3
15 25.5 28.0
16 25.0 28.4
17 25.8 28.5
18 26.3 28.4
19 or older 24.9 29.0

Source: Census at School Canada, 2018-2019