About This Free Shoe Size Conversion Chart

Shopping for shoes online from international brands? This comprehensive shoe size conversion chart eliminates the guesswork when buying footwear from different countries. Whether you're ordering shoes from Europe, the UK, or Asia, our free tool instantly converts between US, UK, European (EU), and centimeter (CM) sizing systems for men, women, and children.

Why you need this shoe size converter: Shoe sizes aren't universal. A women's size 8 in the US equals a UK 5.5 and EU 38-39. Without accurate conversion, you risk ordering shoes that don't fit, leading to costly returns and shipping fees. Our chart uses industry-standard measurements to help you find your perfect fit every time, whether shopping on Amazon, ASOS, Zara, or any international retailer.

Print and save! Keep this reference chart handy for all your online shopping needs. The printable format gives you quick access to size conversions without searching every time you shop. Perfect for saving in your phone or posting near your computer for instant reference.

Understanding Shoe Size Conversions

Shoe sizes vary significantly between countries and brands. The US, UK, and European sizing systems use different scales, making international shoe shopping challenging. This comprehensive shoe size conversion chart helps you find your correct size in any system.

Key Differences Between Sizing Systems

• US Sizes: Based on the Brannock device, measuring foot length and width. The most common sizing system in North America.
• UK Sizes: Similar to US but typically 0.5-1 size smaller for women and 0.5 size difference for men. Used throughout Britain and Commonwealth countries.
• EU Sizes: Based on the Paris point system (2/3 cm per size). Whole numbers only, no half sizes. Used across continental Europe.
• CM/Mondopoint: Based on actual foot length in centimeters. Most accurate system, commonly used in Asia and for athletic footwear.

How Shoe Sizing Works

US sizing starts at size 0 and increases by 1/3 inch (8.5mm) per full size. Half sizes represent approximately 1/6 inch (4.2mm) increments. European sizing uses the Paris point, where each size equals 2/3 centimeter. UK sizing follows a similar pattern to US but starts at a different baseline, creating the size difference between systems.

Important to know: Shoe sizing isn't perfectly standardized even within the same system. Different manufacturers may vary slightly in their interpretations of standard sizes. Athletic shoes, dress shoes, and casual footwear from the same brand might fit differently despite having the same stated size.

Men's vs Women's Shoe Size Differences

Women's shoes are typically 1.5 to 2 sizes larger than men's in US sizing for the same foot length. For example, a women's US 8 has roughly the same foot length as a men's US 6.5. This is why unisex shoes or men's shoes sized for women require conversion. When buying men's shoes as a woman, subtract 1.5-2 sizes from your normal women's size.

Kids' Shoe Sizing Explained

Children's shoes use a different scale with designations like "C" (child) and "Y" (youth). Infant sizes start at 0-1C and go up to about 13C, then transition to youth sizes 1Y-7Y. After youth sizing, children typically move to adult sizing. Kids' feet grow quickly - measure every 2-3 months for children under 5, and every 3-4 months for older kids.

Width Considerations

Shoe width is just as important as length for proper fit. Width varies by brand and style, affecting comfort significantly. Common width designations include:

• N or A: Narrow width - for slim feet or those with low volume
• M or B: Medium width (standard for women) - fits most average feet
• M or D: Medium width (standard for men) - the default width in men's shoes
• W or E: Wide width - for broader feet or higher insteps
• WW or EE: Extra Wide - for very wide feet or orthopedic needs
• WWW or EEE: Triple Wide - specialty sizing for maximum width

Not all brands offer width options. Athletic shoe brands like New Balance, Brooks, and Asics typically provide multiple widths, while fashion brands often offer only medium widths.

Tips for Buying Shoes Online

• Measure your feet regularly: Foot size can change over time due to age, weight changes, pregnancy, or health conditions
• Measure both feet: Most people have one foot slightly larger - always buy for the larger foot
• Measure at day's end: Feet swell throughout the day, so measure when they're at their largest
• Check brand-specific size charts: Many brands provide their own conversion charts that account for their unique fit
• Read customer reviews: Look for comments about whether shoes "run small," "run large," or "true to size"
• Consider shoe style: Boots, heels, and athletic shoes may fit differently than casual shoes even in the same size
• Know return policies: Buy from retailers with free returns to try multiple sizes risk-free
• Keep your socks in mind: Measure with the type of socks you'll wear with the shoes

Common Shoe Shopping Mistakes

• Assuming your size never changes: Feet can change size over years or even seasons
• Ordering your usual size across all brands: Brand fit varies significantly
• Ignoring width measurements: Length isn't everything - width affects comfort greatly
• Not accounting for shoe style: Pointed toes run smaller, roomy athletic shoes run larger
• Measuring with shoes on: Always measure bare feet or with appropriate socks only

When to Remeasure Your Feet

• Pregnancy: Feet can grow and may not return to original size
• Weight changes: Significant weight gain or loss affects foot size
• After age 40: Feet can continue changing throughout adulthood
• Foot conditions: Bunions, hammertoes, or plantar fasciitis can change sizing needs
• Every few years: Regular measurement ensures accurate sizing

Special Considerations

Athletic shoes: Running and sports shoes often need extra room in the toe box. Leave about a thumb's width (1/2 inch) between your longest toe and the shoe end to prevent black toenails and blisters.

Dress shoes and heels: Formal footwear typically fits snugger than casual shoes. Heels can cause feet to slide forward, so you might need a smaller size than usual or shoes with better heel grip.

Boots: Consider whether you'll wear thick socks. Winter boots need extra room, while fitted boots should hug your foot and ankle snugly.