Nike vs Ugg shoe sizing
Compare Nike and Ugg shoe sizes in EU, US and UK. Use this chart to see size differences and check whether Nike or Ugg runs smaller or larger.
Choose your size to see the result.
| Nike (EU) | Ugg (EU) | Baseline (CM) |
|---|---|---|
| 35.5 | 39 | 21.6 |
| 36 | 39 | 22 |
| 36.5 | 39 | 22.4 |
| 37.5 | 39 | 22.9 |
| 38 | 39 | 23.3 |
| 38.5 | 39 | 23.7 |
| 39 | 39 | 24.1 |
| 40 | 39 | 24.5 |
| 40.5 | 39 | 25 |
| 41 | 40 | 25.4 |
| 42 | 40.5 | 25.8 |
| 42.5 | 40.5 | 26.2 |
| 43 | 41 | 26.7 |
| 44 | 42 | 27.1 |
| 44.5 | 42.5 | 27.5 |
| 45 | 43 | 27.9 |
| 45.5 | 44 | 28.3 |
| 46 | 44.5 | 28.8 |
| 47 | 44.5 | 29.2 |
| 47.5 | 45 | 29.6 |
| 48 | 46 | 30 |
| 48.5 | 46.5 | 30.5 |
| 49 | 47 | 30.9 |
| 49.5 | 47.5 | 31.3 |
| 50 | 47.5 | 31.7 |
| 50.5 | 48 | 32.2 |
| 51 | 48.5 | 32.6 |
| 51.5 | 49 | 33 |
| 52 | 49 | 33.4 |
| 52.5 | 50 | 33.9 |
| 53 | 50 | 34.3 |
| 53.5 | 50 | 34.7 |
| 54 | 50 | 35.1 |
| 54.5 | 50 | 35.5 |
| 55 | 50 | 36 |
| 55.5 | 50 | 36.4 |
| 56 | 50 | 36.8 |
| 56.5 | 50 | 37.2 |
FAQ
How do I convert Nike to Ugg?
Use the converter above. We map sizes via official chart baselines (cm/EU) when available.
Do these brands run small or large?
Based on official charts, Ugg EU labels are typically -2.0 compared to Nike for similar foot length (cm). Real fit can vary by model.
What if I’m between sizes?
If you prefer a snug fit, lean down; for extra room, lean up - and always check the brand’s model-specific guidance.