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New Balance to UGG Shoe Size Conversion
Switching from New Balance to UGG? New Balance runs true to size and UGG runs large, so the size you order changes. Here's the full chart.
New Balance 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 New Balance size.
Find your New Balance size on the left, read across for UGG:
| New Balance 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. New Balance runs true to size and is one of the best brands for width options (2A to 4E). UGG runs about half a size large and moulds to the foot — size down half, or a full size for slippers.
UGG to New Balance → · New Balance chart · UGG chart · Brand finder
What is a New Balance 10.5 in UGG?
A New Balance 10.5 is about a UGG 10 — they share a foot length of roughly 27.5 cm (UK 9.5, EU 43.5).
Do New Balance and UGG fit the same?
Not quite — UGG runs about 0.5 size smaller than New Balance.
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