Average length of forearm, by age

 Age Average length
  cm
8 or younger 23.4
9 22.5
10 23.3
11 23.7
12 24.9
13 25.6
14 25.8
15 26.4
16 26.5
17 27.1
18 26.2
19 or older 24.2

Source: Census at School Canada, 2020-2021