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Merrell to Allbirds Shoe Size Conversion
Switching from Merrell to Allbirds? Merrell runs true to size and Allbirds runs true to size, so the size you order changes. Here's the full chart.
Because Merrell and Allbirds share the same fit tendency, your size carries straight across: a Merrell 9 is a Allbirds 9.
Merrell and Allbirds run the same
Order the same number — a Merrell 9 is a Allbirds 9.
Find your Merrell size on the left, read across for Allbirds:
| Merrell size | Allbirds 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. Merrell runs true to size with a roomy toe box; wide options exist. Allbirds runs true to size; half sizes are rounded, so go to the nearest whole.
Allbirds to Merrell → · Merrell chart · Allbirds chart · Brand finder
What is a Merrell 9 in Allbirds?
A Merrell 9 is about a Allbirds 9 — they share a foot length of roughly 26.3 cm (UK 8, EU 41.5).
Do Merrell and Allbirds fit the same?
Roughly, yes — both run true to size, so the same number fits.
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