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