On Running US to Foot Length Shoe Size
This chart converts On Running men's US sizes to foot length, with a centimeter/inch toggle. Sizing is based on On Running's official chart — for another brand use the converter, and check the fit guides to see if a model runs big or small.
Foot length units:
| US | Foot length (cm) |
|---|---|
| 7 | 25 |
| 7.5 | 25.5 |
| 8 | 26 |
| 8.5 | 26.5 |
| 9 | 27 |
| 9.5 | 27.5 |
| 10 | 28 |
| 10.5 | 28.5 |
| 11 | 29 |
| 11.5 | 29.5 |
| 12 | 30 |
| 12.5 | 30.5 |
| 13 | 31 |
| 14 | 31.5 |
Convert your size to On Running
For another brand or gender, pick your size below:
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Frequently asked questions
How do I convert On Running US to foot length?
Find your On Running US size in the chart above and read across to the foot length value. For a different brand, use the converter — sizing varies between brands.