🔄 Converters
👟 👟 Shoe Size Converter: US, UK, EU, and CM Size Charts
Learn how to convert shoe sizes between US, UK, EU, and centimeter systems. Covers men's, women's, and children's size charts, how to measure your foot, and why sizes vary by brand.
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Shoe sizes are notoriously inconsistent between countries, and even between brands within the same country. US, UK, and European systems use different baseline measurements, and men's vs women's sizing adds another layer of complexity. The most reliable approach is always to measure your foot length in centimeters and compare to the brand's specific size chart.
Women's Shoe Size Chart
| US |
UK |
EU |
Foot Length (cm) |
| 5 | 3 | 35–36 | 22.1 |
| 6 | 4 | 36–37 | 23.0 |
| 7 | 5 | 37–38 | 23.8 |
| 8 | 6 | 38–39 | 24.6 |
| 9 | 7 | 39–40 | 25.4 |
| 10 | 8 | 40–41 | 26.2 |
Men's Shoe Size Chart
| US |
UK |
EU |
Foot Length (cm) |
| 7 | 6 | 40 | 25.0 |
| 8 | 7 | 41 | 26.0 |
| 9 | 8 | 42–43 | 27.0 |
| 10 | 9 | 43–44 | 28.0 |
| 11 | 10 | 44–45 | 29.0 |
| 12 | 11 | 46 | 30.0 |
Size Conversion Rules of Thumb
- US → UK (men's): Subtract 1 (US 10 = UK 9)
- US → UK (women's): Subtract 2 (US 8 = UK 6)
- US men's → EU: Add 33 (US 9 = EU 42)
- US women's → EU: Add 31 (US 7 = EU 38)
How to Measure Your Foot
- Place a piece of paper on a hard floor and stand on it (measure at end of day when feet are largest)
- Trace the outline of your foot with a pencil held vertically
- Measure the longest distance (heel to longest toe) in centimeters
- Add 0.5–1 cm for comfort and compare to the brand's size chart
Foot length in cm is the most universally comparable measurement. Most brands publish cm measurements alongside their size numbers.
Why Sizes Vary Between Brands
Shoe sizing was historically not standardized across brands. Different last shapes (the form over which the shoe is built), widths, and manufacturing tolerances mean a size 9 in Nike may fit differently from a size 9 in Clarks. Athletic shoes often run a half-size large compared to dress shoes. For online purchases without trying on, always check recent customer reviews for fit notes.
❓ Frequently Asked Questions
What is my EU shoe size if I wear US size 9 (men's)?▼
US men's size 9 ≈ EU 42–43. Rule of thumb: add 33 to US men's size for EU. For women's: US 9 ≈ EU 39–40. Always check the brand's specific chart — EU sizing can vary by half a size between brands.
What is the difference between US and UK shoe sizes?▼
Men's: UK size = US size minus 1 (US 10 = UK 9). Women's: UK size = US size minus 2 (US 8 = UK 6). Children's sizes follow different patterns. Note that some brands, especially UK brands, may use slightly different offsets — verify with the brand's own size chart.
How do I measure my foot for shoe size?▼
Stand on paper at the end of the day (feet swell during the day), trace your foot outline, and measure heel-to-longest-toe in centimeters. Add 0.5–1 cm for comfort. Compare this measurement directly to the brand's size chart. Foot length in cm is the most reliable cross-brand measurement.
Why do shoe sizes vary between brands?▼
Shoe sizing was never globally standardized. Different brands use different last shapes (the foot-shaped form), widths, and manufacturing standards. A size 9 in one brand may fit like an 8.5 or 9.5 in another. Athletic shoes often run a half-size larger than dress shoes from the same brand. Always read customer reviews for fit notes.
What does EU shoe size mean?▼
EU (European) shoe sizes are based on the Paris Point system — 1 EU size = 2/3 cm of foot length. So EU 42 corresponds to a foot length of 42 × 2/3 = 28 cm. The offset between US and EU sizes differs for men's and women's: roughly add 33 for men's, 31 for women's.