Allbirds size chart
Allbirds’ own size charts cover men’s 8–14, women’s 5–11.
Allbirds doesn’t publish foot lengths, so its sizes match through the US, UK and EU sizes it prints.
Allbirds’ charts at a glance
Does Allbirds run big or small?
Allbirds doesn’t publish foot lengths for its adult sizes, so its chart can’t say whether it runs big or small: its sizes match by the US, UK and EU sizes it prints. Size from your foot length, then check the brand’s own chart.
Allbirds men’s size chart
| US | UK | CM |
|---|---|---|
| 8 | 7 | 26 |
| 8.5 | 7.5 | 26.5 |
| 9 | 8 | 27 |
| 9.5 | 8.5 | 27.5 |
| 10 | 9 | 28 |
| 10.5 | 9.5 | 28.5 |
| 11 | 10 | 29 |
| 11.5 | 10.5 | 29.5 |
| 12 | 11 | 30 |
| 12.5 | 11.5 | 30.5 |
| 13 | 12 | 31 |
| 13.5 | 12.5 | 31.5 |
| 14 | 13 | 32 |
As printed on Allbirds’ chart on allbirds.com (checked 2026-10-21).
Allbirds women’s size chart
| US | UK | CM |
|---|---|---|
| 5 | 2 - 2.5 | 22 |
| 5.5 | 2.5 | 22.5 |
| 6 | 3 - 3.5 | 23 |
| 6.5 | 3.5 | 23.5 |
| 7 | 4 - 4.5 | 24 |
| 7.5 | 4.5 | 24.5 |
| 8 | 5 - 5.5 | 25 |
| 8.5 | 5.5 | 25.5 |
| 9 | 6 - 6.5 | 26 |
| 9.5 | 6.5 | 26.5 |
| 10 | 7 - 7.5 | 27 |
| 10.5 | 7.5 | 27.5 |
| 11 | 8 - 8.5 | 28 |
As printed on Allbirds’ chart on allbirds.com (checked 2026-10-21).
Find your Allbirds size from your foot length
shoesize.app is not affiliated with Allbirds. Allbirds’ name is used only to identify its own size charts, linked above. An estimate to help you choose: fit varies by model. Not medical advice.