👟 Brand to Brand
On to Converse Shoe Size Conversion
Switching from On to Converse? On runs true to size and Converse runs large, so the size you order changes. Here's the full chart.
On runs 1 size larger than Converse, so you may need to size down when switching.
Size up 1 moving to Converse
Converse runs smaller — order half a size larger than your On size.
Find your On size on the left, read across for Converse:
| On size | Converse size | UK | EU | Foot (cm) |
|---|---|---|---|---|
| 6.5 | 5.5 | 5.5 | 37 | 23.5 |
| 6.5 | 5.5 | 5.5 | 37.5 | 23.9 |
| 7 | 6 | 6 | 38 | 24.3 |
| 7.5 | 6.5 | 6.5 | 38.5 | 24.7 |
| 8 | 7 | 7 | 39.5 | 25.1 |
| 8 | 7 | 7 | 40 | 25.5 |
| 8.5 | 7.5 | 7.5 | 41 | 25.9 |
| 9 | 8 | 8 | 41.5 | 26.3 |
| 9.5 | 8.5 | 8.5 | 42.5 | 26.7 |
| 10 | 9 | 9 | 43 | 27.1 |
| 10.5 | 9.5 | 9.5 | 43.5 | 27.5 |
| 11 | 10 | 10 | 44 | 27.9 |
| 11.5 | 10.5 | 10.5 | 44.5 | 28.3 |
| 12 | 11 | 11 | 45.5 | 28.7 |
| 12.5 | 11.5 | 11.5 | 46 | 29.1 |
| 13 | 12 | 12 | 47 | 29.5 |
| 13.5 | 12.5 | 12.5 | 47.5 | 29.9 |
| 14 | 13 | 13 | 48 | 30.3 |
| 14 | 13 | 13 | 48.5 | 30.7 |
| 14.5 | 13.5 | 13.5 | 49 | 31.1 |
| 15 | 14 | 14 | 49.5 | 31.5 |
⚠️ Fit varies by model. On (On Running) runs true to size for most, with a snug, performance fit. Converse (Chuck Taylor) runs about a full size large — size down one from your usual.
Converse to On → · On chart · Converse chart · Brand finder
What is a On 10.5 in Converse?
A On 10.5 is about a Converse 9.5 — they share a foot length of roughly 27.5 cm (UK 9.5, EU 43.5).
Do On and Converse fit the same?
Not quite — Converse runs about 1 size smaller than On.
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