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On to HOKA Shoe Size Conversion
Switching from On to HOKA? On runs true to size and HOKA runs small, so the size you order changes. Here's the full chart.
HOKA runs 0.5 size larger than On, so you may need to size down when switching.
Size down 0.5 moving to HOKA
HOKA runs larger — order half a size smaller than your On size.
Find your On size on the left, read across for HOKA:
| On size | HOKA size | UK | EU | Foot (cm) |
|---|---|---|---|---|
| 6.5 | 7 | 5.5 | 37 | 23.5 |
| 6.5 | 7 | 5.5 | 37.5 | 23.9 |
| 7 | 7.5 | 6 | 38 | 24.3 |
| 7.5 | 8 | 6.5 | 38.5 | 24.7 |
| 8 | 8.5 | 7 | 39.5 | 25.1 |
| 8 | 8.5 | 7 | 40 | 25.5 |
| 8.5 | 9 | 7.5 | 41 | 25.9 |
| 9 | 9.5 | 8 | 41.5 | 26.3 |
| 9.5 | 10 | 8.5 | 42.5 | 26.7 |
| 10 | 10.5 | 9 | 43 | 27.1 |
| 10.5 | 11 | 9.5 | 43.5 | 27.5 |
| 11 | 11.5 | 10 | 44 | 27.9 |
| 11.5 | 12 | 10.5 | 44.5 | 28.3 |
| 12 | 12.5 | 11 | 45.5 | 28.7 |
| 12.5 | 13 | 11.5 | 46 | 29.1 |
| 13 | 13.5 | 12 | 47 | 29.5 |
| 13.5 | 14 | 12.5 | 47.5 | 29.9 |
| 14 | 14.5 | 13 | 48 | 30.3 |
| 14 | 14.5 | 13 | 48.5 | 30.7 |
| 14.5 | 15 | 13.5 | 49 | 31.1 |
| 15 | 15.5 | 14 | 49.5 | 31.5 |
⚠️ Fit varies by model. On (On Running) runs true to size for most, with a snug, performance fit. HOKA tends to run about half a size small and narrow — many runners size up half.
HOKA to On → · On chart · HOKA chart · Brand finder
What is a On 10.5 in HOKA?
A On 10.5 is about a HOKA 11 — they share a foot length of roughly 27.5 cm (UK 9.5, EU 43.5).
Do On and HOKA fit the same?
Not quite — HOKA runs about 0.5 size larger than On.
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