HOKA vs Altra shoe size
By the length each brand lists, HOKA men's US 9 lines up with Altra US 9. All 19 men's sizes match the same US number.
Men's sizes
19 of 19 matched men's rows are the same US size. The median length difference is 0 mm on the size in cm scale. Every matched row lists the same length, so any difference below is in the size labels.
| HOKA US | EU | UK | cm | Altra US | EU | UK | cm | Diff |
|---|---|---|---|---|---|---|---|---|
| 5 | 37 1/3 | 4.5 | 23 | 5 | 38 | 4 | 23 | 0 |
| 5.5 | 38 | 5 | 23.5 | 5.5 | 38.5 | 4.5 | 23.5 | 0 |
| 6 | 38 2/3 | 5.5 | 24 | 6 | 39 | 5 | 24 | 0 |
| 6.5 | 39 1/3 | 6 | 24.5 | 6.5 | 39.5 | 5.5 | 24.5 | 0 |
| 7 | 40 | 6.5 | 25 | 7 | 40 | 6 | 25 | 0 |
| 7.5 | 40 2/3 | 7 | 25.5 | 7.5 | 40.5 | 6.5 | 25.5 | 0 |
| 8 | 41 1/3 | 7.5 | 26 | 8 | 41 | 7 | 26 | 0 |
| 8.5 | 42 | 8 | 26.5 | 8.5 | 42 | 7.5 | 26.5 | 0 |
| 9 | 42 2/3 | 8.5 | 27 | 9 | 42.5 | 8 | 27 | 0 |
| 9.5 | 43 1/3 | 9 | 27.5 | 9.5 | 43 | 8.5 | 27.5 | 0 |
| 10 | 44 | 9.5 | 28 | 10 | 44 | 9 | 28 | 0 |
| 10.5 | 44 2/3 | 10 | 28.5 | 10.5 | 44.5 | 9.5 | 28.5 | 0 |
| 11 | 45 1/3 | 10.5 | 29 | 11 | 45 | 10 | 29 | 0 |
| 11.5 | 46 | 11 | 29.5 | 11.5 | 46 | 10.5 | 29.5 | 0 |
| 12 | 46 2/3 | 11.5 | 30 | 12 | 46.5 | 11 | 30 | 0 |
| 12.5 | 47 1/3 | 12 | 30.5 | 12.5 | 47 | 11.5 | 30.5 | 0 |
| 13 | 48 | 12.5 | 31 | 13 | 48 | 12 | 31 | 0 |
| 14 | 49 1/3 | 13.5 | 32 | 14 | 49 | 13 | 32 | 0 |
| 15 | 50 2/3 | 14.5 | 33 | 15 | 50 | 14 | 33 | 0 |
Sources: HOKA, www.hoka.com (checked 2026-10-24) · Altra, www.altrarunning.com (checked 2026-10-24)
Women's sizes
0 of 14 matched women's rows are the same US size. The median length difference is 0 mm on the size in cm scale. Every matched row lists the same length, so any difference below is in the size labels.
| HOKA US | EU | UK | cm | Altra US | EU | UK | cm | Diff |
|---|---|---|---|---|---|---|---|---|
| 5 | 36 | 3.5 | 22 | 5.5 | 36 | 3.5 | 22 | 0 |
| 5.5 | 36 2/3 | 4 | 22.5 | 6 | 37 | 4 | 22.5 | 0 |
| 6 | 37 1/3 | 4.5 | 23 | 6.5 | 37.5 | 4.5 | 23 | 0 |
| 6.5 | 38 | 5 | 23.5 | 7 | 38 | 5 | 23.5 | 0 |
| 7 | 38 2/3 | 5.5 | 24 | 7.5 | 38.5 | 5.5 | 24 | 0 |
| 7.5 | 39 1/3 | 6 | 24.5 | 8 | 39 | 6 | 24.5 | 0 |
| 8 | 40 | 6.5 | 25 | 8.5 | 40 | 6.5 | 25 | 0 |
| 8.5 | 40 2/3 | 7 | 25.5 | 9 | 40.5 | 7 | 25.5 | 0 |
| 9 | 41 1/3 | 7.5 | 26 | 9.5 | 41 | 7.5 | 26 | 0 |
| 9.5 | 42 | 8 | 26.5 | 10 | 42 | 8 | 26.5 | 0 |
| 10 | 42 2/3 | 8.5 | 27 | 10.5 | 42.5 | 8.5 | 27 | 0 |
| 10.5 | 43 1/3 | 9 | 27.5 | 11 | 43 | 9 | 27.5 | 0 |
| 11 | 44 | 9.5 | 28 | 11.5 | 44 | 9.5 | 28 | 0 |
| 11.5 | 44 2/3 | 10 | 28.5 | 12 | 44.5 | 10 | 28.5 | 0 |
Sources: HOKA, www.hoka.com (checked 2026-10-24) · Altra, www.altrarunning.com (checked 2026-10-24)
Convert your exact size
What a chart comparison cannot tell you
Both tables come from brand-wide size charts. They do not capture the shape of a particular model, its width or how it wears. Check the fit notes on the HOKA size chart and the Altra size chart before you buy.