Free shoe size converter with no signup. Instantly convert US, UK, EU, CM, and Japanese shoe sizes for men, women, and kids using accurate conversion charts.
Pick the size you know and every other system updates instantly.
Tip: for the most accurate fit, stand on a piece of paper, trace your foot, and measure from heel to longest toe. Match that length in centimeters to the CM column above. Shoe sizes are approximate and can vary from brand to brand.
| US | UK | EU | CM |
|---|---|---|---|
| 6 | 5.5 | 39 | 24.0 |
| 6.5 | 6 | 39.5 | 24.5 |
| 7 | 6.5 | 40 | 25.0 |
| 7.5 | 7 | 40.5 | 25.5 |
| 8 | 7.5 | 41 | 26.0 |
| 8.5 | 8 | 42 | 26.5 |
| 9 | 8.5 | 42.5 | 27.0 |
| 9.5 | 9 | 43 | 27.5 |
| 10 | 9.5 | 44 | 28.0 |
| 10.5 | 10 | 44.5 | 28.5 |
| 11 | 10.5 | 45 | 29.0 |
| 11.5 | 11 | 45.5 | 29.5 |
| 12 | 11.5 | 46 | 30.0 |
| 13 | 12.5 | 47.5 | 31.0 |
| 14 | 13.5 | 49 | 32.0 |
| 15 | 14.5 | 50 | 33.0 |
Everything runs in your browser. Nothing you enter is uploaded or stored. Japanese sizes match the foot length in centimeters.
The Shoe Size Converter is one of Intellure's free tools for translating any shoe size between the US, UK, European (EU), centimeter (foot length), and Japanese (JP) systems in seconds. Buying shoes online from an overseas brand is where sizing gets confusing, so this converter uses standard men's, women's, and kids' shoe size charts to show you the equivalent size in every system at once, plus the foot length in centimeters and inches so you can double check the fit before you order. Pick whether you know your size in US, UK, EU, or CM, choose your size, and the full conversion updates live along with a complete shoe size chart you can scan. It works for US men's and women's sizing as well as toddler through youth kids' sizes, and it runs entirely in your browser, so nothing you enter is uploaded or stored. Whether you are shopping international sneakers, sizing a gift, or comparing a European size to your usual US size, this free shoe size conversion tool gives you a fast, private answer with no signup. And if you run a shoe store or clothing brand, Intellure's AI employee can answer these sizing questions for your customers automatically, day or night.
Every shopper who asks what a EU 42 is in US, whether a size runs small, or if you have their size in stock is a sale waiting to happen, or a customer about to leave. Intellure gives you a managed AI employee that answers those fit and stock questions instantly across WhatsApp, Instagram, and your website, recommends the right size, and books or checks out the buyer 24/7. One AI employee on a flexible monthly plan built around your budget, so no sizing question goes unanswered again.
See how it works
