On Running US to UK Shoe Size
This chart converts On Running men's US sizes to UK. 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.
| US | UK |
|---|---|
| 7 | 6.5 |
| 7.5 | 7 |
| 8 | 7.5 |
| 8.5 | 8 |
| 9 | 8.5 |
| 9.5 | 9 |
| 10 | 9.5 |
| 10.5 | 10 |
| 11 | 10.5 |
| 11.5 | 11 |
| 12 | 11.5 |
| 12.5 | 12 |
| 13 | 12.5 |
| 14 | 13.5 |
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Frequently asked questions
How do I convert On Running US to UK?
Find your On Running US size in the chart above and read across to the UK value. For a different brand, use the converter — sizing varies between brands.