Average arm span, by age

 
Age (years) Girls Boys
cm
8 132.4 136.1
9 135.9 137.0
10 142.0 142.8
11 148.2 148.3
12 154.5 155.2
13 158.3 162.9
14 159.6 168.9
15 160.6 171.5
16 161.7 175.9
17 162.1 177.9
18 163.5 178.3
19 163.4 174.1
Source: Statistics Canada, Census at School, 2010/2011.