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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.
A New Balance 9 works out to a UGG 8.5 — about half a size down. The chart below has every size.
New Balance → UGG: size down half a size
A New Balance 9 is a UGG 8.5.
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 |
| 7 | 6.5 | 6 | 38 | 24.3 |
| 7.5 | 7 | 6.5 | 38.5 | 24.7 |
| 8 | 7.5 | 7 | 39.5 | 25.1 |
| 8.5 | 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 |
| 14.5 | 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 9 in UGG?
A New Balance 9 is about a UGG 8.5 — they share a foot length of roughly 26.3 cm (UK 8, EU 41.5).
Do New Balance and UGG fit the same?
No — New Balance runs true to size and UGG runs large, so size down half a size when you switch.
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