Power Step Size Chart

Power Step Size Guide
Mid-Cut
US EU AU UK Foot Length
inch cm
4 35 3.5 3.5 8.9 22.5
4.5 36 4 4 9.1 23.0
5 37 4.5 4.5 9.3 23.5
6 38 5.5 5.5 9.4 24.0
7 39 6.5 6.5 9.6 24.5
7.5 40 7 7 9.8 25.0
8 41 7.5 7.5 10.0 25.5
8.5 42 8 8 10.2 26.0
9.5 43 9 9 10.4 26.5
10.5 44 10 10 10.6 27.0
11 45 10.5 10.5 10.8 27.5
12 46 11.5 11.5 11.0 28.0
13 47 12.5 12.5 11.2 28.5
14 48 13.5 13.5 11.4 29.0
15 49 14.5 14.5 11.6 29.5
16 50 15.5 15.5 11.8 30.0
Sneaker
US EU AU UK Foot Length
inch cm
4.5 36 4 4 9.1 23.0
5 37 4.5 4.5 9.3 23.5
6 38 5.5 5.5 9.4 24.0
7 39 6.5 6.5 9.6 24.5
7.5 40 7 7 9.8 25.0
8 41 7.5 7.5 10.0 25.5
8.5 42 8 8 10.2 26.0
9.5 43 9 9 10.4 26.5
10.5 44 10 10 10.6 27.0
11 45 10.5 10.5 10.8 27.5
12 46 11.5 11.5 11.0 28.0
13 47 12.5 12.5 11.2 28.5
14 48 13.5 13.5 11.4 29.0

Measure from heel to the tip of the longest toe. If your foot is wide, pick one size up.