👟 Brand to Brand
Brooks to adidas Shoe Size Conversion
Switching from Brooks to adidas? Brooks runs true to size and adidas runs small, so the size you order changes. Here's the full chart.
A Brooks 9 works out to a adidas 9.5 — about half a size up. The chart below has every size.
Brooks → adidas: size up half a size
A Brooks 9 is a adidas 9.5.
Find your Brooks size on the left, read across for adidas:
| Brooks size | adidas size | UK | EU | Foot (cm) |
|---|---|---|---|---|
| 6.5 | 7 | 5.5 | 37 | 23.5 |
| 7 | 7.5 | 6 | 38 | 24.3 |
| 7.5 | 8 | 6.5 | 38.5 | 24.7 |
| 8 | 8.5 | 7 | 39.5 | 25.1 |
| 8.5 | 9 | 7.5 | 41 | 25.9 |
| 9 | 9.5 | 8 | 41.5 | 26.3 |
| 9.5 | 10 | 8.5 | 42.5 | 26.7 |
| 10 | 10.5 | 9 | 43 | 27.1 |
| 10.5 | 11 | 9.5 | 43.5 | 27.5 |
| 11 | 11.5 | 10 | 44 | 27.9 |
| 11.5 | 12 | 10.5 | 44.5 | 28.3 |
| 12 | 12.5 | 11 | 45.5 | 28.7 |
| 12.5 | 13 | 11.5 | 46 | 29.1 |
| 13 | 13.5 | 12 | 47 | 29.5 |
| 13.5 | 14 | 12.5 | 47.5 | 29.9 |
| 14 | 14.5 | 13 | 48 | 30.3 |
| 14.5 | 15 | 13.5 | 49 | 31.1 |
| 15 | 15.5 | 14 | 49.5 | 31.5 |
⚠️ Fit varies by model. Brooks runs true to size with a generous toe box; multiple widths are offered. adidas generally runs about half a size small, particularly lifestyle and Ultraboost models; Sambas and Gazelles run long and narrow.
adidas to Brooks → · Brooks chart · adidas chart · Brand finder
What is a Brooks 9 in adidas?
A Brooks 9 is about a adidas 9.5 — they share a foot length of roughly 26.3 cm (UK 8, EU 41.5).
Do Brooks and adidas fit the same?
No — Brooks runs true to size and adidas runs small, so size up half a size when you switch.
ⓘ Affiliate links below. As an Amazon Associate we earn from qualifying purchases at no extra cost to you.
Recommended on Amazon
Foot Measuring Device
Measure once, buy any brand with confidence.
View on Amazon →