On Running Size Guide

Find your perfect fit for our On Running range, using the Size Chart and instructions on how to measure your feet below! 

Need a little extra help? Come visit us in-store and one of our qualified staff will assist you! 

Size Chart

Women's: 

 US/AU EU UK
5 36 3
5.5 36.5 3.5
6 37 4
6.5 37.5 4.5
7 38 5
7.5 38.5 5.5
8 39 6
8.5 40 6.5
9 40.5 7
9.5 41 7.5
10 42 8
10.5 42.5 8.5
11 43 9
12 44 10


Men's: 

 US/AU EU UK
9 42.5 8.5
9.5 43 9
10 44 9.5
10.5 44.5 10
11 45 10.5
11.5 46 11
12 47 11.5
12.5 47.5 12
13 48 12.5


Tips to Get The Perfect Pair:

Tip 1: When ordering a pair of On Running shoes, we recommend you choose your normal running shoe size.
Tip 2: If you are normally a half size we recommend you size up to the nearest full size.
Eg. If you are normally a size 7.5 we recommend ordering a size 8.