Clothing and shoe size converter for AU, UK, US, CA and EU
Find your best clothing and shoe size match before you buy. SizeSwapper compares official brand size guides, AU, UK, US, CA and EU sizing, and your own measurements — the strongest fit guidance available, short of trying it on. Get a confidence rating and between-size advice, so you shop faster with less guesswork and fewer wrong-size returns.
Popular examples- AU 12 → US 8
- Zara M → ASOS 10
- EU 39 → US 8
- Between sizes? We guide you to tighter or roomier fits
New Balance size charts & fit guide
Men shoes
| Brand size | AU | UK | US | EU | Foot (cm) | Waist (cm) |
|---|---|---|---|---|---|---|
| US 2.5 | - | 2 | 2.5 | 34 | 20.5 | - |
| US 3 | - | 2.5 | 3 | 35 | 21 | - |
| US 3.5 | - | 3 | 3.5 | 35.5 | 21.5 | - |
| US 4 | - | 3.5 | 4 | 36 | 22 | - |
| US 4.5 | - | 4 | 4.5 | 37 | 22.5 | - |
| US 5 | - | 4.5 | 5 | 37.5 | 23 | - |
| US 5.5 | - | 5 | 5.5 | 38 | 23.5 | - |
| US 6 | - | 5.5 | 6 | 38.5 | 24 | - |
| US 6.5 | - | 6 | 6.5 | 39 | 24.5 | - |
| US 7 | - | 6.5 | 7 | 40 | 25 | - |
| US 7.5 | - | 7 | 7.5 | 40.5 | 25.5 | - |
| US 8 | - | 7.5 | 8 | 41.5 | 26 | - |
| US 8.5 | - | 8 | 8.5 | 42 | 26.5 | - |
| US 9 | - | 8.5 | 9 | 42.5 | 27 | - |
| US 9.5 | - | 9 | 9.5 | 43 | 27.5 | - |
| US 10 | - | 9.5 | 10 | 44 | 28 | - |
| US 10.5 | - | 10 | 10.5 | 44.5 | 28.5 | - |
| US 11 | - | 10.5 | 11 | 45 | 29 | - |
| US 11.5 | - | 11 | 11.5 | 45.5 | 29.5 | - |
| US 12 | - | 11.5 | 12 | 46.5 | 30 | - |
| US 12.5 | - | 12 | 12.5 | 47 | 30.5 | - |
| US 13 | - | 12.5 | 13 | 47.5 | 31 | - |
| US 13.5 | - | 13 | 13.5 | 48.5 | 31.5 | - |
| US 14 | - | 13.5 | 14 | 49 | 32 | - |
| US 15 | - | 14.5 | 15 | 50 | 33 | - |
| US 16 | - | 15.5 | 16 | 51 | 34 | - |
| US 17 | - | 16.5 | 17 | 52 | 35 | - |
| US 18 | - | 17.5 | 18 | 53 | 36 | - |
Women shoes
| Brand size | AU | UK | US | EU | Foot (cm) | Waist (cm) |
|---|---|---|---|---|---|---|
| US 3 | - | 1 | 3 | 33 | 20 | - |
| US 3.5 | - | 1.5 | 3.5 | 33.5 | 20.5 | - |
| US 4 | - | 2 | 4 | 34 | 21 | - |
| US 4.5 | - | 2.5 | 4.5 | 34.5 | 21.5 | - |
| US 5 | - | 3 | 5 | 35 | 22 | - |
| US 5.5 | - | 3.5 | 5.5 | 36 | 22.5 | - |
| US 6 | - | 4 | 6 | 36.5 | 23 | - |
| US 6.5 | - | 4.5 | 6.5 | 37 | 23.5 | - |
| US 7 | - | 5 | 7 | 37.5 | 24 | - |
| US 7.5 | - | 5.5 | 7.5 | 38 | 24.5 | - |
| US 8 | - | 6 | 8 | 39 | 25 | - |
| US 8.5 | - | 6.5 | 8.5 | 40 | 25.5 | - |
| US 9 | - | 7 | 9 | 40.5 | 26 | - |
| US 9.5 | - | 7.5 | 9.5 | 41 | 26.5 | - |
| US 10 | - | 8 | 10 | 41.5 | 27 | - |
| US 10.5 | - | 8.5 | 10.5 | 42.5 | 27.5 | - |
| US 11 | - | 9 | 11 | 43 | 28 | - |
| US 11.5 | - | 9.5 | 11.5 | 43.5 | 28.5 | - |
| US 12 | - | 10 | 12 | 44 | 29 | - |
| US 12.5 | - | 10.5 | 12.5 | 45 | 29.5 | - |
| US 13 | - | 11 | 13 | 45.5 | 30 | - |
| US 13.5 | - | 11.5 | 13.5 | 46 | 30.5 | - |
| US 14 | - | 12 | 14 | 46.5 | 31 | - |
| US 15 | - | 13 | 15 | 48 | 32 | - |
| US 16 | - | 14 | 16 | 49 | 32.5 | - |
Source: official size guide. Last checked: 2026-06-25.
New Balance sizing FAQs
How accurate is the New Balance size conversion on SizeSwapper?
New Balance sizes consistently across its range, so a SizeSwapper conversion is a reliable starting point.
Which New Balance sizes does SizeSwapper cover?
SizeSwapper covers New Balance's women's and men's shoes sizing across the UK, the US, the EU. If you need a category or region that isn't listed yet, you can request it directly from the converter.
Can I convert my size from another brand to New Balance?
Yes. Choose "Brand & size" mode, select the brand and size you already know fits, then choose New Balance as your target brand to see the closest match.
Do I need to know my measurements to convert to New Balance?
No. If you already know your size in another brand, SizeSwapper converts directly between brands without needing your measurements. If you'd rather enter your measurements directly, switch to "Measurements" mode instead.
When was New Balance's size data last checked?
New Balance's size chart was last checked on 25 June 2026, against its own official size guide. The source link is shown below the size tables on this page.