Average length of forearm, by age

Age	Girls	Boys
	cm	cm
8 or younger	21.2	21.8
9	22.0	22.4
10	22.8	23.0
11	23.8	24.2
12	24.7	25.1
13	25.5	26.6
14	25.4	27.3
15	25.5	27.4
16	26.3	29.0
17	25.9	28.7
18	26.4	29.1
19 or older	25.3	29.0

Source: Census at School Canada, 2017-2018