On Sizing Chart
Conversions between US, UK, Europe, Japan (cm) and Brazil sizes as published by On for unisex styles. W = women's sizing, M = men's sizing. On footwear fits true to size.
Unisex Footwear Size Conversions:
| US | UK | EU | JP (CM) | BR |
|---|---|---|---|---|
| W5 / M3.5 | 3 | 36 | W22 | N/A |
| W5.5 / M4 | 3.5 | 36.5 | W22.5 | W34 / M33 |
| W6 / M4.5 | 4 | 37 | W23 | W34.5 / M33.5 |
| W6.5 / M5 | 4.5 | 37.5 | W23.5 | W35 / M34.5 |
| W7 / M5.5 | 5 | 38 | W24 | W36 / M35 |
| W7.5 / M6 | 5.5 | 38.5 | W24.5 | W37 / M36 |
| W8 / M6.5 | 6 | 39 | W25 | W37.5 / M36.5 |
| W8.5 / M7 | 6.5 | 40 | M25 / W25.5 | W38 / M37 |
| W9 / M7.5 | 7 | 40.5 | M25.5 / W26 | W39 / M38 |
| W9.5 / M8 | 7.5 | 41 | M26 / W26.5 | W39.5 / M39 |
| W10 / M8.5 | 8 | 42 | M26.5 / W27 | W40 / M39.5 |
| W10.5 / M9 | 8.5 | 42.5 | M27 / W27.5 | W41 / M40 |
| W11 / M9.5 | 9 | 43 | M27.5 / W28 | W42 / M41 |
| W11.5 / M10 | 9.5 | 44 | M28 | W42.5 / M41.5 |
| W12 / M10.5 | 10 | 44.5 | M28.5 | W43 / M42 |
| W12.5 / M11 | 10.5 | 45 | M29 | W43.5 / M42.5 |
| W13 / M11.5 | 11 | 46 | M29.5 | W44 / M43 |
| W13.5 / M12 | 11.5 | 47 | M30 | W45 / M44 |
| W14 / M12.5 | 12 | 47.5 | M30.5 | W46 / M45 |
| W14.5 / M13 | 12.5 | 48 | M31 | W47 / M46 |
| W15.5 / M14 | 13.5 | 49 | M31.5 | W48 / M47 |
Order unisex styles by your usual men's or women's US size using the W / M pairings above. To find your size, measure your foot from heel to longest toe in centimeters and match it to the JP (CM) column.
