Nike vs Adidas sizing: official chart comparison
Nike US 9 → Adidas US 9. Technical reference; manufacturer labels may differ. Size labels and measured foot length are different quantities. A chart does not establish the fit of every model.
There is no verified brand-wide fit offset or reproducible wearer distribution in this dataset.
How to compare Nike and Adidas sizes
Start with the men's US label on your current shoe, then use the comparison below as a chart reference. Confirm the model and market in each official guide before ordering.
This example uses the published 262 mm foot-length reference in the Nike chart and the corresponding row in the Adidas chart. Matching chart references does not prove that the shoes feel the same.
- Nike: official chart — Men's footwear; women's labels refer to the same men's/unisex chart; US. Source checked .
- Adidas: official chart — Men and women footwear chart; US. Source checked .
Select the shoe chart scope in the converter. Women's results use a separately reviewed women's or documented unisex chart; missing scopes stay unavailable. These references do not establish a children's or width conversion.
| Nike US | Adidas US | Adidas UK | Adidas EU | Official source |
|---|---|---|---|---|
| 7 | 7 | 6.5 | 40 | Foot length (mm) |
| 8 | 8 | 7.5 | 41 1/3 | Foot length (mm) |
| 9 | 9 | 8.5 | 42 2/3 | Foot length (mm) |
| 10 | 10 | 9.5 | 44 | Foot length (mm) |
| 11 | 11 | 10.5 | 45 1/3 | Foot length (mm) |
Your foot length, several brands
Use the longer measured foot. Each result belongs to its own manufacturer chart and market. Size labels and measured foot length are different quantities. A chart does not establish the fit of every model.
Example — enter your measurement to update
Adidas
Applies to: Men and women footwear chart · Source market: US
Two neighbouring references; no manufacturer size choice established
- US men: 10 · US women: 11 · UK: 9.5 · EU: 44 · CM / JP label: 28 · Foot length (mm): 271
- US men: 9.5 · US women: 10.5 · UK: 9 · EU: 43 1/3 · CM / JP label: 27.5 · Foot length (mm): 267
Official source · Source checked:
Nike
Applies to: Men's footwear; women's labels refer to the same men's/unisex chart · Source market: US
Manufacturer recommends the larger row; lower reference also shown
- US men: 10 · US women: 11.5 · UK: 9 · EU: 44 · CM / JP label: 28 · Foot length (mm): 271
- US men: 9.5 · US women: 11 · UK: 8.5 · EU: 43 · CM / JP label: 27.5 · Foot length (mm): 267
Official source · Source checked:
Nike: Published size chart
Applies to: Men's footwear; women's labels refer to the same men's/unisex chart. Source market: US.
Size labels and measured foot length are different quantities. A chart does not establish the fit of every model.
Applies to
- CM/JP on the shoe box is a size label; it differs from measured foot length.
- Women-specific models require the separate women’s chart.
| UK | Foot length (mm) | US men | US women | EU | CM / JP |
|---|---|---|---|---|---|
| 3 | 216 | 3.5 | 5 | 35.5 | 22.5 |
| 3.5 | 220 | 4 | 5.5 | 36 | 23 |
| 4 | 224 | 4.5 | 6 | 36.5 | 23.5 |
| 4.5 | 229 | 5 | 6.5 | 37.5 | 23.5 |
| 5 | 233 | 5.5 | 7 | 38 | 24 |
| 5.5 | 237 | 6 | 7.5 | 38.5 | 24 |
| 6 | 241 | 6.5 | 8 | 39 | 24.5 |
| 6 | 245 | 7 | 8.5 | 40 | 25 |
| 6.5 | 250 | 7.5 | 9 | 40.5 | 25.5 |
| 7 | 254 | 8 | 9.5 | 41 | 26 |
| 7.5 | 258 | 8.5 | 10 | 42 | 26.5 |
| 8 | 262 | 9 | 10.5 | 42.5 | 27 |
| 8.5 | 267 | 9.5 | 11 | 43 | 27.5 |
| 9 | 271 | 10 | 11.5 | 44 | 28 |
| 9.5 | 275 | 10.5 | 12 | 44.5 | 28.5 |
| 10 | 279 | 11 | 12.5 | 45 | 29 |
| 10.5 | 283 | 11.5 | 13 | 45.5 | 29.5 |
| 11 | 288 | 12 | 13.5 | 46 | 30 |
| 11.5 | 292 | 12.5 | 14 | 47 | 30.5 |
| 12 | 296 | 13 | 14.5 | 47.5 | 31 |
| 12.5 | 300 | 13.5 | 15 | 48 | 31.5 |
| 13 | 305 | 14 | 15.5 | 48.5 | 32 |
| 13.5 | 309 | 14.5 | 16 | 49 | 32.5 |
| 14 | 313 | 15 | 16.5 | 49.5 | 33 |
| 14.5 | 317 | 15.5 | 17 | 50 | 33.5 |
| 15 | 322 | 16 | 17.5 | 50.5 | 34 |
| 15.5 | 326 | 16.5 | 18 | 51 | 34.5 |
| 16 | 330 | 17 | 18.5 | 51.5 | 35 |
| 16.5 | 334 | 17.5 | 19 | 52 | 35.5 |
| 17 | 339 | 18 | 19.5 | 52.5 | 36 |
| 17.5 | 343 | 18.5 | 20 | 53 | 36.5 |
| 18 | 347 | 19 | 20.5 | 53.5 | 37 |
| 18.5 | 351 | 19.5 | 21 | 54 | 37.5 |
| 19 | 355 | 20 | 21.5 | 54.5 | 38 |
| 19.5 | 360 | 20.5 | 22 | 55 | 38.5 |
| 20 | 364 | 21 | 22.5 | 55.5 | 39 |
| 20.5 | 368 | 21.5 | 23 | 56 | 39.5 |
| 21 | 372 | 22 | 23.5 | 56.5 | 40 |
Official source · Size Chart → cm; US - Men, US - Women, UK, CM / JP, EU, Foot Length (cm) · Source checked: .
Adidas: Published size chart
Applies to: Men and women footwear chart. Source market: US.
Size labels and measured foot length are different quantities. A chart does not establish the fit of every model.
Applies to
- JP is a label; heel-to-toe is the measured foot length.
- Only the transcribed US men 4–15 range is covered; no extrapolation.
| UK | Foot length (mm) | US men | US women | EU | JP (source millimetres divided by 10) |
|---|---|---|---|---|---|
| 3.5 | 221 | 4 | 5 | 36 | 22 |
| 4 | 225 | 4.5 | 5.5 | 36 2/3 | 22.5 |
| 4.5 | 229 | 5 | 6 | 37 1/3 | 23 |
| 5 | 233 | 5.5 | 6.5 | 38 | 23.5 |
| 5.5 | 238 | 6 | 7 | 38 2/3 | 24 |
| 6 | 242 | 6.5 | 7.5 | 39 1/3 | 24.5 |
| 6.5 | 246 | 7 | 8 | 40 | 25 |
| 7 | 250 | 7.5 | 8.5 | 40 2/3 | 25.5 |
| 7.5 | 255 | 8 | 9 | 41 1/3 | 26 |
| 8 | 259 | 8.5 | 9.5 | 42 | 26.5 |
| 8.5 | 263 | 9 | 10 | 42 2/3 | 27 |
| 9 | 267 | 9.5 | 10.5 | 43 1/3 | 27.5 |
| 9.5 | 271 | 10 | 11 | 44 | 28 |
| 10 | 276 | 10.5 | 11.5 | 44 2/3 | 28.5 |
| 10.5 | 280 | 11 | 12 | 45 1/3 | 29 |
| 11 | 284 | 11.5 | 12.5 | 46 | 29.5 |
| 11.5 | 288 | 12 | 13 | 46 2/3 | 30 |
| 12 | 293 | 12.5 | 13.5 | 47 1/3 | 30.5 |
| 12.5 | 297 | 13 | 14 | 48 | 31 |
| 13 | 301 | 13.5 | 14.5 | 48 2/3 | 31.5 |
| 13.5 | 305 | 14 | 15 | 49 1/3 | 32 |
| 14 | 310 | 14.5 | 15.5 | 50 | 32.5 |
| 14.5 | 314 | 15 | — | 50 2/3 | — |
Official source · Shoe size chart → cm → Heel-toe / US - Men / US - Women / EU / UK / JP · Source checked: .
Nike: Published size chart
Applies to: Women's footwear; cross-labels in Nike's women's chart. Source market: US.
Size labels and measured foot length are different quantities. A chart does not establish the fit of every model.
Applies to
- CM / JP is a box label, not measured foot length.
- US kids cross-labels apply only to the published 2Y–7Y rows; they do not establish equivalent shoe construction or fit.
- Foot length is absent in the source for US women 17.5–22.5 and stays unknown.
- Nike recommends the larger listed size between foot measurements; measure both feet and use the longer measurement.
| UK | Foot length (mm) | US men | US women | EU | CM / JP |
|---|---|---|---|---|---|
| 1.5 | 208 | 2 | 3.5 | 33.5 | 21 |
| 1.5 | 212 | 2.5 | 4 | 34.5 | 21 |
| 2 | 216 | 3 | 4.5 | 35 | 21.5 |
| 2.5 | 220 | 3.5 | 5 | 35.5 | 22 |
| 3 | 224 | 4 | 5.5 | 36 | 22.5 |
| 3.5 | 229 | 4.5 | 6 | 36.5 | 23 |
| 4 | 233 | 5 | 6.5 | 37.5 | 23.5 |
| 4.5 | 237 | 5.5 | 7 | 38 | 24 |
| 5 | 241 | 6 | 7.5 | 38.5 | 24.5 |
| 5.5 | 245 | 6.5 | 8 | 39 | 25 |
| 6 | 250 | 7 | 8.5 | 40 | 25.5 |
| 6.5 | 254 | 7.5 | 9 | 40.5 | 26 |
| 7 | 258 | 8 | 9.5 | 41 | 26.5 |
| 7.5 | 262 | 8.5 | 10 | 42 | 27 |
| 8 | 267 | 9 | 10.5 | 42.5 | 27.5 |
| 8.5 | 271 | 9.5 | 11 | 43 | 28 |
| 9 | 275 | 10 | 11.5 | 44 | 28.5 |
| 9.5 | 279 | 10.5 | 12 | 44.5 | 29 |
| 10 | 283 | 11 | 12.5 | 45 | 29.5 |
| 10.5 | 288 | 11.5 | 13 | 45.5 | 30 |
| 11 | 292 | 12 | 13.5 | 46 | 30.5 |
| 11.5 | 296 | 12.5 | 14 | 47 | 31 |
| 12 | 300 | 13 | 14.5 | 47.5 | 31.5 |
| 12.5 | 305 | 13.5 | 15 | 48 | 32 |
| 13 | 309 | 14 | 15.5 | 48.5 | 32.5 |
| 13.5 | 313 | 14.5 | 16 | 49 | 33 |
| 14 | 317 | 15 | 16.5 | 50 | 33.5 |
| 14.5 | 322 | 15.5 | 17 | 50.5 | 34 |
| 15 | — | 16 | 17.5 | 51 | 34.5 |
| 15.5 | — | 16.5 | 18 | 51.5 | 35 |
| 16 | — | 17 | 18.5 | 52 | 35.5 |
| 16.5 | — | 17.5 | 19 | 52.5 | 36 |
| 17 | — | 18 | 19.5 | 53 | 36.5 |
| 17.5 | — | 18.5 | 20 | 53.5 | 37 |
| 18 | — | 19 | 20.5 | 54 | 37.5 |
| 18.5 | — | 19.5 | 21 | 54.5 | 38 |
| 19 | — | 20 | 21.5 | 55 | 38.5 |
| 19.5 | — | 20.5 | 22 | 55.5 | 39 |
| 20 | — | 21 | 22.5 | 56 | 39.5 |
Official source · Size Chart → US - Women, US - Men, US - Kids, UK, CM / JP, EU; Metric → Foot Length (cm). Public chart payload foot_length_cm in sizeCharts.data. · Source checked: .