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Shoe Size Converter

Convert shoe sizes between US, UK, EU, and JP sizing systems for men, women, and children.

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1. Select the gender and age group - men, women, or children - for accurate conversion tables. 2. Choose the sizing system you already know - US, UK, EU, or JP. 3. Enter your known shoe size in the selected system. 4. View all equivalent sizes displayed across US, UK, EU, and JP systems at a glance. 5. Note the foot length in centimeters shown alongside each size for verifying fit with brand-specific charts.

About This Tool

Shopping for shoes across international brands and online retailers can be confusing because every region uses a different sizing system. Our Shoe Size Converter instantly translates between US, UK, European (EU), and Japanese (JP) shoe sizes for men, women, and children, so you can confidently order the right size no matter where the shoes are made.

The converter accounts for the significant differences between sizing systems. US and UK sizes use different starting points for men and women. European sizes are unisex but use a completely different scale. Japanese sizes are based on foot length in centimeters, which is the most straightforward system but unfamiliar to many Western shoppers. Select your gender and age group, enter the size you know, and see all equivalent sizes at a glance.

Keep in mind that shoe sizes are guidelines, not guarantees. Sizing varies between brands, styles, and even individual shoe models. Width also plays a major role in fit. When shopping online, always check the brand-specific size chart and consider ordering from retailers with easy return policies. Our converter gives you the best starting point for finding your size in any system.

Frequently Asked Questions

US and UK men shoe sizes differ by about 0.5 to 1 size - a US 10 is roughly a UK 9.5. For women, the gap is larger at about 2 sizes - a US 8 is roughly a UK 6. Children sizes are closer, with US typically being 0.5 to 1 size larger than UK.
European shoe sizes are based on the Paris Point system, where each size equals two-thirds of a centimeter (6.67mm). EU sizes are unisex - a size 42 is the same measurement for men and women. To roughly convert from EU to US men, subtract 33. For US women, subtract 31.
Japanese shoe sizes are based on foot length in centimeters, making them the most intuitive system. A JP size 26 means the shoe fits a 26cm foot. This system is also widely used in other Asian countries. It is unisex, though some brands add gender-specific fit adjustments.
Stand on a piece of paper, trace the outline of your foot, and measure the longest distance from heel to toe in centimeters. Measure both feet, as they are often slightly different sizes, and use the larger measurement. Measure at the end of the day when feet are slightly swollen for the most accurate fit.
There is no universal standard enforcing exact measurements for each size number. Each manufacturer uses their own lasts (foot-shaped molds) and may interpret size charts differently. Shoe shape, materials, and intended fit (snug vs. roomy) also affect how a size feels. Always try shoes on or check brand-specific charts.

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