How the conversion works
Subtract 1.5 to get the men's size (4), then subtract 1: 4 - 1 = 3.
Sizes near 5.5
| US women's size | Men's US | Women's US | UK | EU | Foot length (cm) |
|---|---|---|---|---|---|
| 4 | 2.5 | 4 | 1.5 | 35.5 | 20.5 |
| 4.5 | 3 | 4.5 | 2 | 36 | 21 |
| 5 | 3.5 | 5 | 2.5 | 36.5 | 21.5 |
| 5.5 | 4 | 5.5 | 3 | 37 | 22 |
| 6 | 4.5 | 6 | 3.5 | 37.5 | 22.5 |
| 6.5 | 5 | 6.5 | 4 | 38 | 23 |
| 7 | 5.5 | 7 | 4.5 | 38.5 | 23.5 |
Common questions
Does this work for every brand?
This site uses one standard set of rules, so size 5.5 is a guide, not a guarantee. Brands often differ by half a size or a full size, especially between men's and women's lines. Check the maker's own chart when you can.
How do I measure my foot?
Stand on a sheet of paper, mark your heel and your longest toe, then measure the gap in centimetres. Match it to the foot length column and pick the closest size.
What if I am between sizes?
Order the larger size, unless the brand says its shoes run large. Add a thin sock allowance if you wear thick socks.
Other sizes
See the full us women's to uk shoe size chart or read how we convert.