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UGG to Merrell Shoe Size Conversion
Switching from UGG to Merrell? UGG runs large and Merrell runs true to size, so the size you order changes. Here's the full chart.
Merrell runs 0.5 size larger than UGG, so you may need to size down when switching.
Size down 0.5 moving to Merrell
Merrell runs larger — order half a size smaller than your UGG size.
Find your UGG size on the left, read across for Merrell:
| UGG size | Merrell size | UK | EU | Foot (cm) |
|---|---|---|---|---|
| 6.5 | 7 | 5.5 | 37 | 23.5 |
| 6.5 | 7 | 5.5 | 37.5 | 23.9 |
| 7 | 7.5 | 6 | 38 | 24.3 |
| 7.5 | 8 | 6.5 | 38.5 | 24.7 |
| 8 | 8.5 | 7 | 39.5 | 25.1 |
| 8 | 8.5 | 7 | 40 | 25.5 |
| 8.5 | 9 | 7.5 | 41 | 25.9 |
| 9 | 9.5 | 8 | 41.5 | 26.3 |
| 9.5 | 10 | 8.5 | 42.5 | 26.7 |
| 10 | 10.5 | 9 | 43 | 27.1 |
| 10.5 | 11 | 9.5 | 43.5 | 27.5 |
| 11 | 11.5 | 10 | 44 | 27.9 |
| 11.5 | 12 | 10.5 | 44.5 | 28.3 |
| 12 | 12.5 | 11 | 45.5 | 28.7 |
| 12.5 | 13 | 11.5 | 46 | 29.1 |
| 13 | 13.5 | 12 | 47 | 29.5 |
| 13.5 | 14 | 12.5 | 47.5 | 29.9 |
| 14 | 14.5 | 13 | 48 | 30.3 |
| 14 | 14.5 | 13 | 48.5 | 30.7 |
| 14.5 | 15 | 13.5 | 49 | 31.1 |
| 15 | 15.5 | 14 | 49.5 | 31.5 |
⚠️ Fit varies by model. UGG runs about half a size large and moulds to the foot — size down half, or a full size for slippers. Merrell runs true to size with a roomy toe box; wide options exist.
Merrell to UGG → · UGG chart · Merrell chart · Brand finder
What is a UGG 10.5 in Merrell?
A UGG 10.5 is about a Merrell 11 — they share a foot length of roughly 27.5 cm (UK 9.5, EU 43.5).
Do UGG and Merrell fit the same?
Not quite — Merrell runs about 0.5 size larger than UGG.
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