👟 Brand to Brand
Jordan to On Shoe Size Conversion
Switching from Jordan to On? Jordan runs small and On runs true to size, so the size you order changes. Here's the full chart.
A Jordan 9.5 works out to a On 9 — about half a size down. The chart below has every size.
Jordan → On: size down half a size
A Jordan 9.5 is a On 9.
Find your Jordan size on the left, read across for On:
| Jordan 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. Air Jordan uses Nike's lasts and runs about half a size small; the same size-up-half advice applies. On (On Running) runs true to size for most, with a snug, performance fit.
On to Jordan → · Jordan chart · On chart · Brand finder
What is a Jordan 9.5 in On?
A Jordan 9.5 is about a On 9 — they share a foot length of roughly 26.3 cm (UK 8, EU 41.5).
Do Jordan and On fit the same?
No — Jordan runs small and On runs true to size, so size down half a size when you switch.
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