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Brooks to ASICS Shoe Size Conversion
Switching from Brooks to ASICS? Brooks runs true to size and ASICS runs true to size, so the size you order changes. Here's the full chart.
Because Brooks and ASICS share the same fit tendency, your size carries straight across: a Brooks 9 is a ASICS 9.
Brooks and ASICS run the same
Order the same number — a Brooks 9 is a ASICS 9.
Find your Brooks size on the left, read across for ASICS:
| Brooks size | ASICS size | UK | EU | Foot (cm) |
|---|---|---|---|---|
| 6.5 | 6.5 | 5.5 | 37 | 23.5 |
| 7 | 7 | 6 | 38 | 24.3 |
| 7.5 | 7.5 | 6.5 | 38.5 | 24.7 |
| 8 | 8 | 7 | 39.5 | 25.1 |
| 8.5 | 8.5 | 7.5 | 41 | 25.9 |
| 9 | 9 | 8 | 41.5 | 26.3 |
| 9.5 | 9.5 | 8.5 | 42.5 | 26.7 |
| 10 | 10 | 9 | 43 | 27.1 |
| 10.5 | 10.5 | 9.5 | 43.5 | 27.5 |
| 11 | 11 | 10 | 44 | 27.9 |
| 11.5 | 11.5 | 10.5 | 44.5 | 28.3 |
| 12 | 12 | 11 | 45.5 | 28.7 |
| 12.5 | 12.5 | 11.5 | 46 | 29.1 |
| 13 | 13 | 12 | 47 | 29.5 |
| 13.5 | 13.5 | 12.5 | 47.5 | 29.9 |
| 14 | 14 | 13 | 48 | 30.3 |
| 14.5 | 14.5 | 13.5 | 49 | 31.1 |
| 15 | 15 | 14 | 49.5 | 31.5 |
⚠️ Fit varies by model. Brooks runs true to size with a generous toe box; multiple widths are offered. ASICS runs true to size with a roomy toe box; wide fittings are widely available.
ASICS to Brooks → · Brooks chart · ASICS chart · Brand finder
What is a Brooks 9 in ASICS?
A Brooks 9 is about a ASICS 9 — they share a foot length of roughly 26.3 cm (UK 8, EU 41.5).
Do Brooks and ASICS fit the same?
Roughly, yes — both run true to size, so the same number fits.
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