Average arm span, by age

Age (years) Girls Boys
cm
8 133.7 135.3
9 135.4 137.0
10 142.4 142.4
11 148.4 148.6
12 154.2 155.3
13 158.2 162.2
14 160.3 168.9
15 161.3 172.5
16 160.2 174.8
17 162.9 177.6
18 161.2 179.5
19 165.2 174.9
Source: Statistics Canada, Census at School, 2008/2009.