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