UK to US men's men's shoe size
The short answer
By the formula, UK 5.5 is US men's 6. On brand charts the most common answer is 6.5 (5 of 6 brands), and 2 different answers are in print.
The formula and the brands' most common answer differ on 16 of 17 sizes below. Use the brand's own number for the brand you are buying.
| UK | US men's by formula | Most brands print | Other answers in print |
|---|---|---|---|
| 5.5 | 6 | 6.5 (5 of 6) | 6: Nike |
| 6 | 6.5 | 7 (6 of 6) | 6.5: Nike |
| 6.5 | 7 | 7.5 (6 of 8) | 7: lululemon, Merrell |
| 7 | 7.5 | 8 (7 of 9) | 7.5: lululemon, Merrell |
| 7.5 | 8 | 8.5 (7 of 9) | 8: lululemon, Merrell |
| 8 | 8.5 | 9 (7 of 9) | 8.5: lululemon, Merrell |
| 8.5 | 9 | 9.5 (7 of 9) | 9: lululemon, Merrell |
| 9 | 9.5 | 10 (7 of 9) | 9.5: lululemon, Merrell |
| 9.5 | 10 | 10.5 (7 of 9) | 10: lululemon, Merrell |
| 10 | 10.5 | 11 (7 of 9) | 10.5: lululemon, Merrell |
| 10.5 | 11 | 11.5 (7 of 9) | 11: lululemon, Merrell |
| 11 | 11.5 | 12 (7 of 9) | 11.5: lululemon, Merrell |
| 11.5 | 12 | 12.5 (7 of 9) | 12: lululemon, Merrell |
| 12 | 12.5 | 13 (7 of 9) | 12.5: lululemon, Merrell |
| 12.5 | 13 | 13.5 (3 of 5) | 13: lululemon, Merrell |
| 13 | 13.5 | 14 (8 of 8) | not published |
| 13.5 | 14 | 14 (1 of 2) | 14.5: Nike |
The widest split is at UK 5.5: brand charts print anything from US men's 6 to 6.5 for the same size.