Average length of forearm, by age

Age	Girls	Boys
	cm	cm
8 or younger	20.6	23.1
9	21.9	22.4
10	23.0	23.0
11	23.8	24.1
12	24.6	25.6
13	25.2	26.3
14	25.4	27.2
15	25.7	27.6
16	25.3	28.1
17	25.5	28.4
18	25.7	27.9
19 or older	25.6	29.1

Source: Census at School Canada, 2015-2016