Altra to Converse shoe size
The short answer
Altra 9 is Converse 7 by the two brands' own charts.
Both brands publish the foot length each size is built for, so every row matches a foot, not a label.
| Altra | Altra builds it for | Converse Chuck Taylor, by chart | Same label | Converse builds it for | Converse also prints |
|---|---|---|---|---|---|
| 4 | foot length 20.5 cm | not made | not published | not published | not published |
| 4.5 | foot length 21 cm | not made | not published | not published | not published |
| 5 | foot length 21.5 cm | not made | not published | not published | not published |
| 5.5 | foot length 22 cm | 3 | not published | foot length 22 cm | US women's 5 · UK 3 · EU 35 |
| 6 | foot length 22.5 cm | 3.5 | not published | foot length 22.5 cm | US women's 5.5 · UK 3.5 · EU 36 |
| 6.5 | foot length 23 cm | 4 | not published | foot length 23 cm | US women's 6 · UK 4 · EU 36.5 |
| 7 | foot length 23.5 cm | 4.5 | not published | foot length 23.5 cm | US women's 6.5 · UK 4.5 · EU 37 |
| 7.5 | foot length 24 cm | 5 | not published | foot length 24 cm | US women's 7 · UK 5 · EU 37.5 |
| 8 | foot length 24.5 cm | 5.5 | not published | foot length 24.5 cm | US women's 7.5 · UK 5.5 · EU 38 |
| 8.5 | foot length 25 cm | 6.5 | not published | foot length 25 cm | US women's 8.5 · UK 6.5 · EU 39.5 |
| 9 | foot length 25.5 cm | 7 | not published | foot length 25.5 cm | US women's 9 · UK 7 · EU 40 |
| 9.5 | foot length 26 cm | 7.5 | not published | foot length 26 cm | US women's 9.5 · UK 7.5 · EU 41 |
| 10 | foot length 26.5 cm | 8 | not published | foot length 26.5 cm | US women's 10 · UK 8 · EU 41.5 |
| 10.5 | foot length 27 cm | 8.5 | not published | foot length 27 cm | US women's 10.5 · UK 8.5 · EU 42 |
| 11 | foot length 27.5 cm | 9 | not published | foot length 27.5 cm | US women's 11 · UK 9 · EU 42.5 |
| 11.5 | foot length 28 cm | 9.5 | not published | foot length 28 cm | US women's 11.5 · UK 9.5 · EU 43 |
| 12 | foot length 28.5 cm | 10 | not published | foot length 28.5 cm | US women's 12 · UK 10 · EU 44 |
| 13 | foot length 29.5 cm | 11 | not published | foot length 29.5 cm | US women's 13 · UK 11 · EU 45 |
What wearers say
Charts describe a garment. People who own both brands describe a fit, and their answer ranks above this table once five of them stand behind it. Pick your size in the converter to see whether there are enough yet.
Sources
- Altra size guide, read on 2026-09-17. Altra on TrueToSize
- Converse Chuck Taylor size guide, read on 2026-09-18. Converse on TrueToSize