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Brooks to Allbirds Shoe Size Conversion
Switching from Brooks to Allbirds? Brooks runs true to size and Allbirds runs true to size, so the size you order stays the same. Here's the full chart.
Because Brooks and Allbirds share the same fit tendency, your size carries straight across: a Brooks 9.5 is a Allbirds 9.5.
Brooks and Allbirds run the same
Order the same number — a Brooks 9.5 is a Allbirds 9.5.
Find your Brooks size on the left, read across for Allbirds:
| Brooks size | Allbirds size | UK | EU | Foot (cm) |
|---|---|---|---|---|
| 6.5 | 6.5 | 5.5 | 37 | 23.5 |
| 6.5 | 6.5 | 5.5 | 37.5 | 23.9 |
| 7 | 7 | 6 | 38 | 24.3 |
| 7.5 | 7.5 | 6.5 | 38.5 | 24.7 |
| 8 | 8 | 7 | 39.5 | 25.1 |
| 8 | 8 | 7 | 40 | 25.5 |
| 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 | 14 | 13 | 48.5 | 30.7 |
| 14.5 | 14.5 | 13.5 | 49 | 31.1 |
| 15 | 15 | 14 | 49.5 | 31.5 |
⚠️ Fit varies by model. Brooks runs true to size with a generous toe box; multiple widths are offered. Allbirds runs true to size; half sizes are rounded, so go to the nearest whole.
Allbirds to Brooks → · Brooks chart · Allbirds chart · Brand finder
What is a Brooks 10.5 in Allbirds?
A Brooks 10.5 is about a Allbirds 10.5 — they share a foot length of roughly 27.5 cm (UK 9.5, EU 43.5).
Do Brooks and Allbirds fit the same?
Roughly, yes — both run small, so the same number fits.
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