Shoe size converter
Convert US men's, women's and kids' shoe sizes to UK, EU and CM, or find your size from foot length.
- ๐บ๐ธ US federal & state rules
- Nike size charts, checked Oct 19, 2026
- See sources
US men's size
10
UK 9, EU 44, CM/JP 28
- US women (same shoe)
- 11.5
- UK
- 9
- EU
- 44
- CM / JP
- 28
Nike's charts. Brands differ by up to a half size, so check the brand's chart too.
All systems
| US men | 10 |
|---|---|
| US women (same shoe) | 11.5 |
| UK | 9 |
| EU | 44 |
| CM / JP | 28 |
| Foot length | 10.69 in (27.1 cm) |
- Based on Nike's size charts. Other brands run up to a half size different, so check the brand's own chart before you buy.
- Measure your foot in the evening, standing up, from heel to the tip of the longest toe.
What to do next
How it works
Pick a chart and enter the size you know. The converter looks it up on Nike's published men's, women's and kids' charts and shows the matching US, UK, EU and CM sizes, plus the foot length the size is made for.
If you enter a foot length, it picks the first size made for a foot at least that long, so when you fall between sizes you get the larger one.
Things to keep in mind
Shoe sizes are not standardized across brands or countries. A size 10 in one brand can fit like a 9.5 or 10.5 in another, and widths change the fit too. The chart below has 30 men's sizes from Nike.
Measure both feet and use the longer one. Trace your foot on paper against a wall and measure from heel to the longest toe.
Men's chart (Nike)
| US men | US women | UK | EU | Foot (in) |
|---|---|---|---|---|
| 6 | 7.5 | 5.5 | 38.5 | 9.31 |
| 6.5 | 8 | 6 | 39 | 9.50 |
| 7 | 8.5 | 6 | 40 | 9.69 |
| 7.5 | 9 | 6.5 | 40.5 | 9.81 |
| 8 | 9.5 | 7 | 41 | 10.00 |
| 8.5 | 10 | 7.5 | 42 | 10.19 |
| 9 | 10.5 | 8 | 42.5 | 10.31 |
| 9.5 | 11 | 8.5 | 43 | 10.50 |
| 10 | 11.5 | 9 | 44 | 10.69 |
| 10.5 | 12 | 9.5 | 44.5 | 10.81 |
| 11 | 12.5 | 10 | 45 | 11.00 |
| 11.5 | 13 | 10.5 | 45.5 | 11.19 |
| 12 | 13.5 | 11 | 46 | 11.31 |
| 12.5 | 14 | 11.5 | 47 | 11.50 |
| 13 | 14.5 | 12 | 47.5 | 11.69 |
| 13.5 | 15 | 12.5 | 48 | 11.81 |
| 14 | 15.5 | 13 | 48.5 | 12.00 |
Nike is a trademark of Nike, Inc. motifly is not affiliated with or endorsed by Nike. The sizes come from Nike's public size charts.
Sources
Rules applied as of 2026-10-19. See the sources below for details.
- Nike men's shoe size chartChecked 2026-10-19
- Nike women's shoe size chartChecked 2026-10-19
- Nike kids' shoe size chartChecked 2026-10-19
Frequently asked questions
How do I convert women's to men's shoe sizes?
On most US charts, subtract 1.5. A women's 8.5 is about a men's 7, which Nike lists as UK 6 and EU 40.
What is a US men's 10 in EU and UK?
On Nike's chart, a men's 10 is UK 9 and EU 44, for a foot about 10 11/16 inches (27.1 cm) long.
Are shoe sizes the same across brands?
No. There is no single US shoe size standard, and brands like Adidas, New Balance and Converse can differ from Nike by a half size. Use foot length and the brand's own chart when you can.
What do C and Y mean on kids' shoes?
C is for toddler and little kid sizes (1C to 13.5C) and Y is for big kid or youth sizes (1Y to 7Y). After 13.5C the next size is 1Y.