On Sizing Chart
Conversions between US, UK, Europe, Japan (cm) and Brazil sizes as published by On. On footwear fits true to size.
Women's Footwear Size Conversions:
| US | UK | EU | JP (CM) | BR |
|---|---|---|---|---|
| 5 | 3 | 36 | 22 | 33 |
| 5.5 | 3.5 | 36.5 | 22.5 | 34 |
| 6 | 4 | 37 | 23 | N/A |
| 6.5 | 4.5 | 37.5 | 23.5 | 35 |
| 7 | 5 | 38 | 24 | 36 |
| 7.5 | 5.5 | 38.5 | 24.5 | 37 |
| 8 | 6 | 39 | 25 | N/A |
| 8.5 | 6.5 | 40 | 25.5 | 38 |
| 9 | 7 | 40.5 | 26 | 39 |
| 9.5 | 7.5 | 41 | 26.5 | N/A |
| 10 | 8 | 42 | 27 | 40 |
| 10.5 | 8.5 | 42.5 | 27.5 | 41 |
| 11 | 9 | 43 | 28 | 42 |
| 12 | 10 | 44 | 29 | 43 |
To find your size, measure your foot from heel to longest toe in centimeters and match it to the JP (CM) column. If you're between sizes, choose the larger size for a roomier fit.