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Allbirds to Merrell Shoe Size Conversion
Switching from Allbirds to Merrell? Allbirds runs true to size and Merrell runs true to size, so the size you order stays the same. Here's the full chart.
Because Allbirds and Merrell share the same fit tendency, your size carries straight across: a Allbirds 9.5 is a Merrell 9.5.
Allbirds and Merrell run the same
Order the same number — a Allbirds 9.5 is a Merrell 9.5.
Find your Allbirds size on the left, read across for Merrell:
| Allbirds size | Merrell 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. Allbirds runs true to size; half sizes are rounded, so go to the nearest whole. Merrell runs true to size with a roomy toe box; wide options exist.
Merrell to Allbirds → · Allbirds chart · Merrell chart · Brand finder
What is a Allbirds 10.5 in Merrell?
A Allbirds 10.5 is about a Merrell 10.5 — they share a foot length of roughly 27.5 cm (UK 9.5, EU 43.5).
Do Allbirds and Merrell fit the same?
Roughly, yes — both run small, so the same number fits.
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