Adidas Shoe Size Chart
Adidas runs true to size.
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Adidas Men's Size Chart
| US | EU | UK | JP / CM |
|---|---|---|---|
| 4 | 36 | 3.5 | 22.1 |
| 4.5 | 36.7 | 4 | 22.5 |
| 5 | 37.3 | 4.5 | 22.9 |
| 5.5 | 38 | 5 | 23.3 |
| 6 | 38.7 | 5.5 | 23.8 |
| 6.5 | 39.3 | 6 | 24.2 |
| 7 | 40 | 6.5 | 24.6 |
| 7.5 | 40.7 | 7 | 25 |
| 8 | 41.3 | 7.5 | 25.5 |
| 8.5 | 42 | 8 | 25.9 |
| 9 | 42.7 | 8.5 | 26.3 |
| 9.5 | 43.3 | 9 | 26.7 |
| 10 | 44 | 9.5 | 27.1 |
| 10.5 | 44.7 | 10 | 27.6 |
| 11 | 45.3 | 10.5 | 28 |
| 11.5 | 46 | 11 | 28.4 |
| 12 | 46.7 | 11.5 | 28.8 |
| 13 | 48 | 12.5 | 29.7 |
| 14 | 49.3 | 13.5 | 30.5 |
Adidas Women's Size Chart
| US | EU | UK | JP / CM |
|---|---|---|---|
| 5 | 36 | 3.5 | 22.1 |
| 5.5 | 36.7 | 4 | 22.5 |
| 6 | 37.3 | 4.5 | 22.9 |
| 6.5 | 38 | 5 | 23.3 |
| 7 | 38.7 | 5.5 | 23.8 |
| 7.5 | 39.3 | 6 | 24.2 |
| 8 | 40 | 6.5 | 24.6 |
| 8.5 | 40.7 | 7 | 25 |
| 9 | 41.3 | 7.5 | 25.5 |
| 9.5 | 42 | 8 | 25.9 |
| 10 | 42.7 | 8.5 | 26.3 |
| 10.5 | 43.3 | 9 | 26.7 |
| 11 | 44 | 9.5 | 27.1 |
| 11.5 | 44.7 | 10 | 27.6 |
| 12 | 45.3 | 10.5 | 28 |
| 12.5 | 46 | 11 | 28.4 |
| 13 | 46.7 | 11.5 | 28.8 |
| 14 | 48 | 12.5 | 29.7 |
| 15 | 49.3 | 13.5 | 30.5 |
Data verified Jun 2026 · Official size guide · See an error? Report it
Adidas Sizing & Fit Guide
Adidas shoes generally run true to size. Their EU sizing uses thirds (36.7, 37.3) rather than halves. Ultraboost and NMD models may feel snug due to the Primeknit upper — consider half a size up.
Frequently Asked Questions
Adidas shoes generally run true to size. Their EU sizing uses thirds (36.7, 37.3) rather than halves. Ultraboost and NMD models may feel snug due to the Primeknit upper — consider half a size up.
Use the finder at the top of this page: pick the brand you already know and your size in it, and we'll show your equivalent Adidas size instantly — and highlight it in the chart below. To compare your size across many brands at once, use our shoe size converter.
Adidas EU 42 is approximately a US men's 8.5-9. However, exact conversions vary slightly. Use our size chart table above for the precise conversion, or try our interactive converter for personalized results.