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Under Armour to ASICS Shoe Size Conversion
Switching from Under Armour to ASICS? Under Armour runs small and ASICS runs true to size, so the size you order changes. Here's the full chart.
A Under Armour 9.5 works out to a ASICS 9 — about half a size down. The chart below has every size.
Under Armour → ASICS: size down half a size
A Under Armour 9.5 is a ASICS 9.
Find your Under Armour size on the left, read across for ASICS:
| Under Armour size | ASICS size | UK | EU | Foot (cm) |
|---|---|---|---|---|
| 7 | 6.5 | 5.5 | 37 | 23.5 |
| 7.5 | 7 | 6 | 38 | 24.3 |
| 8 | 7.5 | 6.5 | 38.5 | 24.7 |
| 8.5 | 8 | 7 | 39.5 | 25.1 |
| 9 | 8.5 | 7.5 | 41 | 25.9 |
| 9.5 | 9 | 8 | 41.5 | 26.3 |
| 10 | 9.5 | 8.5 | 42.5 | 26.7 |
| 10.5 | 10 | 9 | 43 | 27.1 |
| 11 | 10.5 | 9.5 | 43.5 | 27.5 |
| 11.5 | 11 | 10 | 44 | 27.9 |
| 12 | 11.5 | 10.5 | 44.5 | 28.3 |
| 12.5 | 12 | 11 | 45.5 | 28.7 |
| 13 | 12.5 | 11.5 | 46 | 29.1 |
| 13.5 | 13 | 12 | 47 | 29.5 |
| 14 | 13.5 | 12.5 | 47.5 | 29.9 |
| 14.5 | 14 | 13 | 48 | 30.3 |
| 15 | 14.5 | 13.5 | 49 | 31.1 |
| 15.5 | 15 | 14 | 49.5 | 31.5 |
⚠️ Fit varies by model. Under Armour tends to run about half a size small, especially in performance trainers. ASICS runs true to size with a roomy toe box; wide fittings are widely available.
ASICS to Under Armour → · Under Armour chart · ASICS chart · Brand finder
What is a Under Armour 9.5 in ASICS?
A Under Armour 9.5 is about a ASICS 9 — they share a foot length of roughly 26.3 cm (UK 8, EU 41.5).
Do Under Armour and ASICS fit the same?
No — Under Armour runs small and ASICS runs true to size, so size down half a size when you switch.
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