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Allbirds to Crocs Shoe Size Conversion
Switching from Allbirds to Crocs? Allbirds runs true to size and Crocs runs true to size, so the size you order changes. Here's the full chart.
Because Allbirds and Crocs share the same fit tendency, your size carries straight across: a Allbirds 9 is a Crocs 9.
Allbirds and Crocs run the same
Order the same number — a Allbirds 9 is a Crocs 9.
Find your Allbirds size on the left, read across for Crocs:
| Allbirds size | Crocs size | UK | EU | Foot (cm) |
|---|---|---|---|---|
| 6.5 | 6.5 | 5.5 | 37 | 23.5 |
| 7 | 7 | 6 | 38 | 24.3 |
| 7.5 | 7.5 | 6.5 | 38.5 | 24.7 |
| 8 | 8 | 7 | 39.5 | 25.1 |
| 8.5 | 8.5 | 7.5 | 41 | 25.9 |
| 9 | 9 | 8 | 41.5 | 26.3 |
| 9.5 | 9.5 | 8.5 | 42.5 | 26.7 |
| 10 | 10 | 9 | 43 | 27.1 |
| 10.5 | 10.5 | 9.5 | 43.5 | 27.5 |
| 11 | 11 | 10 | 44 | 27.9 |
| 11.5 | 11.5 | 10.5 | 44.5 | 28.3 |
| 12 | 12 | 11 | 45.5 | 28.7 |
| 12.5 | 12.5 | 11.5 | 46 | 29.1 |
| 13 | 13 | 12 | 47 | 29.5 |
| 13.5 | 13.5 | 12.5 | 47.5 | 29.9 |
| 14 | 14 | 13 | 48 | 30.3 |
| 14.5 | 14.5 | 13.5 | 49 | 31.1 |
| 15 | 15 | 14 | 49.5 | 31.5 |
⚠️ Fit varies by model. Allbirds runs true to size; half sizes are rounded, so go to the nearest whole. Crocs are sized in unisex M/W and run roomy — between sizes, size down.
Crocs to Allbirds → · Allbirds chart · Crocs chart · Brand finder
What is a Allbirds 9 in Crocs?
A Allbirds 9 is about a Crocs 9 — they share a foot length of roughly 26.3 cm (UK 8, EU 41.5).
Do Allbirds and Crocs fit the same?
Roughly, yes — both run true to size, so the same number fits.
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