adidas vs New Balance shoe size
By the length each brand lists, adidas men's US 9 lines up with New Balance US 9. All 21 men's sizes match the same US number.
Men's sizes
21 of 21 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.
| adidas US | EU | UK | cm | New Balance US | EU | UK | cm | Diff |
|---|---|---|---|---|---|---|---|---|
| 4 | 36 | 3.5 | 22 | 4 | 36 | 3.5 | 22 | 0 |
| 4.5 | 36 2/3 | 4 | 22.5 | 4.5 | 37 | 4 | 22.5 | 0 |
| 5 | 37 1/3 | 4.5 | 23 | 5 | 37.5 | 4.5 | 23 | 0 |
| 5.5 | 38 | 5 | 23.5 | 5.5 | 38 | 5 | 23.5 | 0 |
| 6 | 38 2/3 | 5.5 | 24 | 6 | 38.5 | 5.5 | 24 | 0 |
| 6.5 | 39 1/3 | 6 | 24.5 | 6.5 | 39.5 | 6 | 24.5 | 0 |
| 7 | 40 | 6.5 | 25 | 7 | 40 | 6.5 | 25 | 0 |
| 7.5 | 40 2/3 | 7 | 25.5 | 7.5 | 40.5 | 7 | 25.5 | 0 |
| 8 | 41 1/3 | 7.5 | 26 | 8 | 41.5 | 7.5 | 26 | 0 |
| 8.5 | 42 | 8 | 26.5 | 8.5 | 42 | 8 | 26.5 | 0 |
| 9 | 42 2/3 | 8.5 | 27 | 9 | 42.5 | 8.5 | 27 | 0 |
| 9.5 | 43 1/3 | 9 | 27.5 | 9.5 | 43 | 9 | 27.5 | 0 |
| 10 | 44 | 9.5 | 28 | 10 | 44 | 9.5 | 28 | 0 |
| 10.5 | 44 2/3 | 10 | 28.5 | 10.5 | 44.5 | 10 | 28.5 | 0 |
| 11 | 45 1/3 | 10.5 | 29 | 11 | 45 | 10.5 | 29 | 0 |
| 11.5 | 46 | 11 | 29.5 | 11.5 | 45.5 | 11 | 29.5 | 0 |
| 12 | 46 2/3 | 11.5 | 30 | 12 | 46.5 | 11.5 | 30 | 0 |
| 12.5 | 47 1/3 | 12 | 30.5 | 12.5 | 47 | 12 | 30.5 | 0 |
| 13 | 48 | 12.5 | 31 | 13 | 47.5 | 12.5 | 31 | 0 |
| 13.5 | 48 2/3 | 13 | 31.5 | 13.5 | 48.5 | 13 | 31.5 | 0 |
| 14 | 49 1/3 | 13.5 | 32 | 14 | 49 | 13.5 | 32 | 0 |
Sources: adidas, support.dtb.adidas.com (checked 2026-10-24) · New Balance, www.newbalance.com (checked 2026-10-24)
Women's sizes
20 of 21 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.
| adidas US | EU | UK | cm | New Balance US | EU | UK | cm | Diff |
|---|---|---|---|---|---|---|---|---|
| 5 | 36 | 3.5 | 22 | 5 | 35 | 3 | 22 | 0 |
| 5.5 | 36 2/3 | 4 | 22.5 | 5.5 | 36 | 3.5 | 22.5 | 0 |
| 6 | 37 1/3 | 4.5 | 23 | 6 | 36.5 | 4 | 23 | 0 |
| 6.5 | 38 | 5 | 23.5 | 6.5 | 37 | 4.5 | 23.5 | 0 |
| 7 | 38 2/3 | 5.5 | 24 | 7 | 37.5 | 5 | 24 | 0 |
| 7.5 | 39 1/3 | 6 | 24.5 | 7.5 | 38 | 5.5 | 24.5 | 0 |
| 8 | 40 | 6.5 | 25 | 8 | 39 | 6 | 25 | 0 |
| 8.5 | 40 2/3 | 7 | 25.5 | 8.5 | 40 | 6.5 | 25.5 | 0 |
| 9 | 41 1/3 | 7.5 | 26 | 9 | 40.5 | 7 | 26 | 0 |
| 9.5 | 42 | 8 | 26.5 | 9.5 | 41 | 7.5 | 26.5 | 0 |
| 10 | 42 2/3 | 8.5 | 27 | 10 | 41.5 | 8 | 27 | 0 |
| 10.5 | 43 1/3 | 9 | 27.5 | 10.5 | 42.5 | 8.5 | 27.5 | 0 |
| 11 | 44 | 9.5 | 28 | 11 | 43 | 9 | 28 | 0 |
| 11.5 | 44 2/3 | 10 | 28.5 | 11.5 | 43.5 | 9.5 | 28.5 | 0 |
| 12 | 45 1/3 | 10.5 | 29 | 12 | 44 | 10 | 29 | 0 |
| 12.5 | 46 | 11 | 29.5 | 12.5 | 45 | 10.5 | 29.5 | 0 |
| 13 | 46 2/3 | 11.5 | 30 | 13 | 45.5 | 11 | 30 | 0 |
| 13.5 | 47 1/3 | 12 | 30.5 | 13.5 | 46 | 11.5 | 30.5 | 0 |
| 14 | 48 | 12.5 | 31 | 14 | 46.5 | 12 | 31 | 0 |
| 15 | 49 1/3 | 13.5 | 32 | 15 | 48 | 13 | 32 | 0 |
| 15.5 | 50 | 14 | 32.5 | 16 | 49 | 14 | 32.5 | 0 |
Sources: adidas, support.dtb.adidas.com (checked 2026-10-24) · New Balance, www.newbalance.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 adidas size chart and the New Balance size chart before you buy.