👟 Brand to Brand
Allbirds to Clarks Shoe Size Conversion
Switching from Allbirds to Clarks? Allbirds runs true to size and Clarks runs large, so the size you order changes. Here's the full chart.
A Allbirds 9 works out to a Clarks 8.5 — about half a size down. The chart below has every size.
Allbirds → Clarks: size down half a size
A Allbirds 9 is a Clarks 8.5.
Find your Allbirds size on the left, read across for Clarks:
| Allbirds size | Clarks 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. Allbirds runs true to size; half sizes are rounded, so go to the nearest whole. Clarks runs about half a size large for many styles; wide fittings are available.
Clarks to Allbirds → · Allbirds chart · Clarks chart · Brand finder
What is a Allbirds 9 in Clarks?
A Allbirds 9 is about a Clarks 8.5 — they share a foot length of roughly 26.3 cm (UK 8, EU 41.5).
Do Allbirds and Clarks fit the same?
No — Allbirds runs true to size and Clarks runs large, so size down half a size when you switch.
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