Brooks to Merrell shoe size
The short answer
Brooks 8.5 is Merrell 8.5 by the two brands' own charts. 0 of 14 Brooks sizes land on a different label at Merrell.
At least one of the two brands publishes no foot length, so the rows line up the US size both charts print. Treat it as the label conversion, not a fit.
| Brooks | Brooks builds it for | Merrell, by chart | Same label | Merrell builds it for | Merrell also prints |
|---|---|---|---|---|---|
| 5 | not published | 5 | not published | not published | US men's 3.5 · UK 2.5 · EU 35 · CM / JP 22 |
| 5.5 | not published | 5.5 | not published | not published | US men's 4 · UK 3 · EU 35.5 · CM / JP 22.5 |
| 6 | not published | 6 | not published | not published | US men's 4.5 · UK 3.5 · EU 36 · CM / JP 23 |
| 6.5 | not published | 6.5 | not published | not published | US men's 5 · UK 4 · EU 37 · CM / JP 23.5 |
| 7 | not published | 7 | not published | not published | US men's 5.5 · UK 4.5 · EU 37.5 · CM / JP 24 |
| 7.5 | not published | 7.5 | not published | not published | US men's 6 · UK 5 · EU 38 · CM / JP 24.5 |
| 8 | not published | 8 | not published | not published | US men's 6.5 · UK 5.5 · EU 38.5 · CM / JP 25 |
| 8.5 | not published | 8.5 | not published | not published | US men's 7 · UK 6 · EU 39 · CM / JP 25.5 |
| 9 | not published | 9 | not published | not published | US men's 7.5 · UK 6.5 · EU 40 · CM / JP 26 |
| 9.5 | not published | 9.5 | not published | not published | US men's 8 · UK 7 · EU 40.5 · CM / JP 26.5 |
| 10 | not published | 10 | not published | not published | US men's 8.5 · UK 7.5 · EU 41 · CM / JP 27 |
| 10.5 | not published | 10.5 | not published | not published | US men's 9 · UK 8 · EU 42 · CM / JP 27.5 |
| 11 | not published | 11 | not published | not published | US men's 9.5 · UK 8.5 · EU 42.5 · CM / JP 28 |
| 11.5 | not published | 11.5 | not published | not published | US men's 10 · UK 9 · EU 43 · CM / JP 28.5 |
| 12 | not published | not made | not published | not published | not published |
| 12.5 | not published | not made | not published | not published | not published |
| 13 | not published | not made | not published | not published | not published |
What wearers say
Charts describe a garment. People who own both brands describe a fit, and their answer ranks above this table once five of them stand behind it. Pick your size in the converter to see whether there are enough yet.
Sources
- Brooks size guide, read on 2026-09-17. Brooks on TrueToSize
- Merrell size guide, read on 2026-09-18. Merrell on TrueToSize