Utility
Shoe Size International Converter
Enter your US shoe size to instantly see the UK and EU equivalent.
Your result will glow up right here.
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Fit Confidence
Utility
Enter your US shoe size to instantly see the UK and EU equivalent.
Your result will glow up right here.
Shoe sizing systems vary significantly between regions — US, UK, EU, and other systems all use different scales and starting points, which can make shopping internationally or on foreign websites genuinely confusing, especially when a size that fits perfectly in one country translates to a completely different number elsewhere. This converter translates your US shoe size across these common systems so you can shop with more confidence, whether you're buying from an international retailer or traveling abroad.
Because sizing can still vary slightly between brands, it's always a good idea to check a specific brand's size chart when available, especially for footwear styles that run narrow, wide, or use unconventional sizing compared to standard conversions.
The US sizing system originated from a point system tracking foot length in barleycorns (a historical unit of measurement), while the UK system developed along a similar but offset scale, and the EU (Paris point) system is based on the length of the shoe's last in centimeters, multiplied by a fixed conversion factor. These independently evolved systems never fully aligned, which is why a "size 9" means something different depending on which country's system you're using.
Beyond adult sizing differences, children's shoe sizes follow their own separate scales in most countries, often resetting to a different numbering system once a child transitions from toddler to youth to adult sizing, which can make shopping for kids' shoes internationally even more confusing than adult sizing alone.
Different regions historically developed their own independent measurement systems for footwear based on different units and reference points, which is why US, UK, and EU sizes don't align directly with one another.
It provides a reliable general conversion based on standard sizing charts, though individual brands may have slight variations in their specific sizing that a general converter can't fully account for.
This often depends on personal preference and the specific shoe style — trying on a half size up or down, or checking brand-specific reviews, can help find the best fit.
This converter is designed specifically for adult shoe sizing; children's sizing follows separate scales that would require a different conversion reference.
Manufacturing differences in last shape, material, and design between brands mean that even a technically correct size conversion doesn't guarantee an identical fit across different shoe brands.
If you're unsure of your starting US size, measuring your actual foot length at home — standing on a piece of paper, tracing your foot, and measuring the longest point — can help confirm your true size before converting it to another country's system. Foot size can also change slightly over time, so it's worth periodically double-checking rather than always assuming your size from years ago is still accurate.
With online shopping making international footwear brands more accessible than ever, having a reliable size conversion on hand takes much of the guesswork out of ordering shoes from a country with an unfamiliar sizing system. Combining this converter with a quick check of return policies gives you extra peace of mind in case a specific pair still doesn't fit as expected.