👟 Brand to Brand
Reebok to On Shoe Size Conversion
Switching from Reebok to On? Reebok runs small and On runs true to size, so the size you order changes. Here's the full chart.
A Reebok 9.5 works out to a On 9 — about half a size down. The chart below has every size.
Reebok → On: size down half a size
A Reebok 9.5 is a On 9.
Find your Reebok size on the left, read across for On:
| Reebok size | On size | UK | EU | Foot (cm) |
|---|---|---|---|---|
| 7 | 6.5 | 5.5 | 37 | 23.5 |
| 7.5 | 7 | 6 | 38 | 24.3 |
| 8 | 7.5 | 6.5 | 38.5 | 24.7 |
| 8.5 | 8 | 7 | 39.5 | 25.1 |
| 9 | 8.5 | 7.5 | 41 | 25.9 |
| 9.5 | 9 | 8 | 41.5 | 26.3 |
| 10 | 9.5 | 8.5 | 42.5 | 26.7 |
| 10.5 | 10 | 9 | 43 | 27.1 |
| 11 | 10.5 | 9.5 | 43.5 | 27.5 |
| 11.5 | 11 | 10 | 44 | 27.9 |
| 12 | 11.5 | 10.5 | 44.5 | 28.3 |
| 12.5 | 12 | 11 | 45.5 | 28.7 |
| 13 | 12.5 | 11.5 | 46 | 29.1 |
| 13.5 | 13 | 12 | 47 | 29.5 |
| 14 | 13.5 | 12.5 | 47.5 | 29.9 |
| 14.5 | 14 | 13 | 48 | 30.3 |
| 15 | 14.5 | 13.5 | 49 | 31.1 |
| 15.5 | 15 | 14 | 49.5 | 31.5 |
⚠️ Fit varies by model. Reebok runs about half a size small across many models. On (On Running) runs true to size for most, with a snug, performance fit.
On to Reebok → · Reebok chart · On chart · Brand finder
What is a Reebok 9.5 in On?
A Reebok 9.5 is about a On 9 — they share a foot length of roughly 26.3 cm (UK 8, EU 41.5).
Do Reebok and On fit the same?
No — Reebok runs small and On runs true to size, so size down half a size when you switch.
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