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