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