👟 Brand to Brand
UGG to adidas Shoe Size Conversion
Switching from UGG to adidas? UGG runs large and adidas runs small, so the size you order changes. Here's the full chart.
A UGG 8.5 works out to a adidas 9.5 — about a full size up. The chart below has every size.
UGG → adidas: size up a full size
A UGG 8.5 is a adidas 9.5.
Find your UGG size on the left, read across for adidas:
| UGG size | adidas size | UK | EU | Foot (cm) |
|---|---|---|---|---|
| 6 | 7 | 5.5 | 37 | 23.5 |
| 6.5 | 7.5 | 6 | 38 | 24.3 |
| 7 | 8 | 6.5 | 38.5 | 24.7 |
| 7.5 | 8.5 | 7 | 39.5 | 25.1 |
| 8 | 9 | 7.5 | 41 | 25.9 |
| 8.5 | 9.5 | 8 | 41.5 | 26.3 |
| 9 | 10 | 8.5 | 42.5 | 26.7 |
| 9.5 | 10.5 | 9 | 43 | 27.1 |
| 10 | 11 | 9.5 | 43.5 | 27.5 |
| 10.5 | 11.5 | 10 | 44 | 27.9 |
| 11 | 12 | 10.5 | 44.5 | 28.3 |
| 11.5 | 12.5 | 11 | 45.5 | 28.7 |
| 12 | 13 | 11.5 | 46 | 29.1 |
| 12.5 | 13.5 | 12 | 47 | 29.5 |
| 13 | 14 | 12.5 | 47.5 | 29.9 |
| 13.5 | 14.5 | 13 | 48 | 30.3 |
| 14 | 15 | 13.5 | 49 | 31.1 |
| 14.5 | 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. adidas generally runs about half a size small, particularly lifestyle and Ultraboost models; Sambas and Gazelles run long and narrow.
adidas to UGG → · UGG chart · adidas chart · Brand finder
What is a UGG 8.5 in adidas?
A UGG 8.5 is about a adidas 9.5 — they share a foot length of roughly 26.3 cm (UK 8, EU 41.5).
Do UGG and adidas fit the same?
No — UGG runs large and adidas runs small, so size up a full size when you switch.
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