Verified brand-to-brand conversionASICS vs Brooks shoe sizing
An ASICS US 10 is usually also a Brooks US 10 (EU 44) in men's sizes. Brooks and ASICS size very closely on the same foot, based on both brands' official size charts.
Matched by foot length from both brands' published size charts · Updated July 2026
Convert your ASICS size to Brooks
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ASICS to Brooks size chart
Each row matches by foot length, the key both brands print their charts in. Sizes outside either brand's published range are not shown.
Men's
| ASICS US | Foot (cm) | Brooks US | Brooks EU |
|---|---|---|---|
| 6.5 | 25.0 | 7 | 40 |
| 7 | 25.3 | 7.5 | 40.5 |
| 7.5 | 25.5 | 7.5 | 40.5 |
| 8 | 26.0 | 8 | 41 |
| 8.5 | 26.5 | 8.5 | 42 |
| 9 | 27.0 | 9 | 42.5 |
| 9.5 | 27.5 | 9.5 | 43 |
| 10 | 28.0 | 10 | 44 |
| 10.5 | 28.3 | 10.5 | 44.5 |
| 11 | 28.5 | 10.5 | 44.5 |
| 11.5 | 29.0 | 11 | 45 |
| 12 | 29.5 | 11.5 | 46 |
| 12.5 | 30.0 | 12 | 47 |
| 13 | 30.5 | 12.5 | 47.5 |
| 14 | 31.0 | 13 | 48 |
Women's
| ASICS US | Foot (cm) | Brooks US | Brooks EU |
|---|---|---|---|
| 5 | 22.0 | 5 | 35.5 |
| 5.5 | 22.5 | 5.5 | 36 |
| 6 | 23.0 | 6 | 36.5 |
| 6.5 | 23.5 | 6.5 | 37.5 |
| 7 | 24.0 | 7 | 38 |
| 7.5 | 24.5 | 7.5 | 38.5 |
| 8 | 25.0 | 8 | 39 |
| 8.5 | 25.3 | 8.5 | 40 |
| 9 | 25.5 | 8.5 | 40 |
| 9.5 | 26.0 | 9 | 40.5 |
| 10 | 26.5 | 9.5 | 41 |
| 10.5 | 27.0 | 10 | 42 |
| 11 | 27.5 | 10.5 | 42.5 |
| 11.5 | 28.0 | 10.5 | 42.5 |
| 12 | 28.3 | 11 | 43 |
| 12.5 | 28.5 | 11 | 43 |
| 13 | 29.0 | 11.5 | 44 |
| 13.5 | 29.5 | 12 | 44.5 |
How ASICS and Brooks actually compare
Switching from ASICS to Brooks in running shoes is relatively straightforward. 02 inches) foot. This means your size transfers directly across brands. In women's sizes, ASICS charts typically run about half a size smaller for the same foot length. 5 usually equates to a Brooks 8.
If you've previously sized up in ASICS, it might have been due to this half-size difference, which may not be necessary with Brooks. Both brands provide their charts in centimeters, so the best approach is to measure your foot length and consult each chart. Remember that fit can still vary between different models, such as racing flats and cushioned trainers, within each brand. Use the chart as a reference point and the specific model page as the deciding factor.
ASICS vs Brooks: common questions
Does Brooks run bigger or smaller than ASICS?
No meaningful difference: Brooks and ASICS size very closely on the same foot across their published ranges. When in doubt, match by foot length in centimeters.
Can I buy Brooks in my ASICS size?
Close enough to swap in most cases, but always check the table above: both brands publish their own charts, and half-size boundaries can still fall differently.
How do I convert my ASICS size to Brooks?
Find your ASICS size in the table above and read across, or use the converter with your exact size. The most reliable method is your measured foot length in centimeters: both brands publish their charts against it, so it translates without guesswork. Half sizes round to the nearest size the brand actually makes.
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Nike · US 10
