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Converse to On Shoe Size Conversion
Switching from Converse to On? Converse runs large and On runs true to size, 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 down 1 moving to On
On runs larger — order half a size smaller than your Converse size.
Find your Converse size on the left, read across for On:
| Converse size | On size | UK | EU | Foot (cm) |
|---|---|---|---|---|
| 6.5 | 7.5 | 5.5 | 37 | 23.5 |
| 6.5 | 7.5 | 5.5 | 37.5 | 23.9 |
| 7 | 8 | 6 | 38 | 24.3 |
| 7.5 | 8.5 | 6.5 | 38.5 | 24.7 |
| 8 | 9 | 7 | 39.5 | 25.1 |
| 8 | 9 | 7 | 40 | 25.5 |
| 8.5 | 9.5 | 7.5 | 41 | 25.9 |
| 9 | 10 | 8 | 41.5 | 26.3 |
| 9.5 | 10.5 | 8.5 | 42.5 | 26.7 |
| 10 | 11 | 9 | 43 | 27.1 |
| 10.5 | 11.5 | 9.5 | 43.5 | 27.5 |
| 11 | 12 | 10 | 44 | 27.9 |
| 11.5 | 12.5 | 10.5 | 44.5 | 28.3 |
| 12 | 13 | 11 | 45.5 | 28.7 |
| 12.5 | 13.5 | 11.5 | 46 | 29.1 |
| 13 | 14 | 12 | 47 | 29.5 |
| 13.5 | 14.5 | 12.5 | 47.5 | 29.9 |
| 14 | 15 | 13 | 48 | 30.3 |
| 14 | 15 | 13 | 48.5 | 30.7 |
| 14.5 | 15.5 | 13.5 | 49 | 31.1 |
| 15 | 16 | 14 | 49.5 | 31.5 |
⚠️ Fit varies by model. Converse (Chuck Taylor) runs about a full size large — size down one from your usual. On (On Running) runs true to size for most, with a snug, performance fit.
On to Converse → · Converse chart · On chart · Brand finder
What is a Converse 10.5 in On?
A Converse 10.5 is about a On 11.5 — they share a foot length of roughly 27.5 cm (UK 9.5, EU 43.5).
Do Converse and On fit the same?
Not quite — On runs about 1 size larger than Converse.
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