Quick Shoe Size Converter
Convert shoe sizes across US, UK, EU, Japan – Free conversion charts for all ages
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Welcome to Your Ultimate Shoe Size Guide
Finding the perfect shoe size shouldn’t be complicated. Our comprehensive shoe size conversion charts help you convert your shoe size across any sizing system used worldwide. Whether you’re shopping for men’s, women’s, or children’s shoes, we’ve got you covered with accurate conversion tables.
Our converter helps you with:
- Men’s shoe size conversions (US, UK, EU, Japan)
- Women’s shoe size conversions (All international sizes)
- Men’s to women’s shoe size converter
- US to EU, UK to US, and all combinations
- Kids, toddler, and baby shoe sizes
- Interactive size calculator for instant results
👞 Men’s Shoe Size Chart
| 🇺🇸 US Size | 🇬🇧 UK Size | 🇪🇺 EU Size | 🇯🇵 Japan Size | 📏 Inches | 📐 CM |
|---|---|---|---|---|---|
| 4 | 3.5 | 37 | 22 | 8.7″ | 22 |
| 4.5 | 4 | 37 | 22.5 | 8.8″ | 22.5 |
| 5 | 4.5 | 38 | 23 | 9″ | 23 |
| 5.5 | 5 | 38 | 23.5 | 9.3″ | 23.5 |
| 6 | 5.5 | 39 | 24 | 9.4″ | 24 |
| 6.5 | 6 | 39 | 24.5 | 9.6″ | 24.5 |
| 7 | 6.5 | 40 | 25 | 9.8″ | 25 |
| 7.5 | 7 | 40 | 25.5 | 10.3″ | 25.5 |
| 8 | 7.5 | 41 | 26 | 10.2″ | 26 |
| 8.5 | 8 | 41 | 26.5 | 10.4″ | 26.5 |
| 9 | 8.5 | 42 | 27 | 10.6″ | 27 |
| 9.5 | 9 | 42 | 27.5 | 10.8″ | 27.5 |
| 10 | 9.5 | 43 | 28 | 11″ | 28 |
| 10.5 | 10 | 43 | 28.5 | 11.2″ | 28.5 |
| 11 | 10.5 | 44 | 29 | 11.4″ | 29 |
| 11.5 | 11 | 44 | 29.5 | 11.6″ | 29.5 |
| 12 | 11.5 | 45 | 30 | 11.8″ | 30 |
| 12.5 | 12 | 45 | 30.5 | 12″ | 30.5 |
| 13 | 12.5 | 46 | 31 | 12.2″ | 31 |
| 14 | 13.5 | 47 | 32 | 12.6″ | 32 |
*These are guidelines. Please consult your shoe’s brand website for detailed sizing.
Converting men’s shoe sizes is straightforward with these simple calculations. Starting from a US size:
- US to UK: Subtract 0.5 from the US size
- US to EU: Add 33 to the US size
- US to Japan: Add 18 to the US size
Example: A US size 10 = UK 9.5 = EU 43 = Japan 28
Important tips:
- Every brand sizes differently – Nike, Adidas, New Balance all vary slightly
- Check your existing shoes and compare sizes
- Read customer reviews for sizing feedback
- When in doubt, measure your foot length in centimeters
👠 Women’s Shoe Size Chart
| 🇺🇸 US Size | 🇬🇧 UK Size | 🇪🇺 EU Size | 🇯🇵 Japan Size | 📏 Inches | 📐 CM |
|---|---|---|---|---|---|
| 4 | 2 | 35 | 20.5 | 8.1″ | 20.5 |
| 4.5 | 2.5 | 35 | 21 | 8.3″ | 21 |
| 5 | 3 | 35-36 | 21.5 | 8.5″ | 21.5 |
| 5.5 | 3.5 | 36 | 22 | 8.7″ | 22 |
| 6 | 4 | 36-37 | 22.5 | 8.9″ | 22.5 |
| 6.5 | 4.5 | 37 | 23 | 9.1″ | 23 |
| 7 | 5 | 37-38 | 23.5 | 9.3″ | 23.5 |
| 7.5 | 5.5 | 38 | 24 | 9.4″ | 24 |
| 8 | 6 | 38-39 | 24.5 | 9.6″ | 24.5 |
| 8.5 | 6.5 | 39 | 25 | 9.8″ | 25 |
| 9 | 7 | 39-40 | 25.5 | 10″ | 25.5 |
| 9.5 | 7.5 | 40 | 26 | 10.2″ | 26 |
| 10 | 8 | 40-41 | 26.5 | 10.4″ | 26.5 |
| 10.5 | 8.5 | 41 | 27 | 10.6″ | 27 |
| 11 | 9 | 41-42 | 27.5 | 10.8″ | 27.5 |
| 12 | 10 | 42-43 | 28.5 | 11.2″ | 28.5 |
*These are guidelines. Please consult your shoe’s brand website for detailed sizing.
Women’s shoe size conversion is simple with these formulas. Starting from a US size:
- US to UK: Subtract 2 from the US size
- US to EU: Add 31 to the US size
- US to Japan: Add 16.5 to the US size
Example: A US size 8 = UK 6 = EU 38-39 = Japan 24.5
Shopping tips for women:
- Designer brands often run smaller – consider sizing up
- Athletic shoes usually run true to size
- European luxury brands use EU sizing exclusively
- Check if the width is listed (N=Narrow, M=Medium, W=Wide)
🔄 Men’s to Women’s Size Conversion | Women’s to Men’s Size Conversion
| 🇺🇸 US Men’s | 🇺🇸 US Women’s | 🇬🇧 UK Men’s | 🇬🇧 UK Women’s | 🇪🇺 EU Men’s | 🇪🇺 EU Women’s |
|---|---|---|---|---|---|
| 3 | 4.5 | 2.5 | 2.5 | 36 | 35 |
| 4 | 5.5 | 3.5 | 3.5 | 37 | 36 |
| 5 | 6.5 | 4.5 | 4.5 | 38 | 37 |
| 6 | 7.5 | 5.5 | 5.5 | 39 | 38 |
| 7 | 8.5 | 6.5 | 6.5 | 40 | 39 |
| 8 | 9.5 | 7.5 | 7.5 | 41 | 40 |
| 9 | 10.5 | 8.5 | 8.5 | 42 | 41 |
| 10 | 11.5 | 9.5 | 9.5 | 43 | 42 |
| 11 | 12.5 | 10.5 | 10.5 | 44 | 43 |
| 12 | 13.5 | 11.5 | 11.5 | 45 | 44 |
| 13 | 14.5 | 12.5 | 12.5 | 46 | 45 |
| 14 | 15.5 | 13.5 | 13.5 | 47 | 46 |
*These are guidelines. Please consult your shoe’s brand website for detailed sizing.
Converting between men’s and women’s shoe sizes: Generally, women’s sizes are about 1.5 to 2 sizes larger than men’s. For example, a men’s size 8 is approximately a women’s size 9.5-10.
👟 Kids’ Shoe Size Chart (Ages 2-12)
| Age Range | US Size | UK Size | EU Size | Length (cm) |
|---|---|---|---|---|
| 2-2.5 years | 5.5C | 4.5C | 21 | 12.7 |
| 2.5-3 years | 6C | 5C | 22 | 13 |
| 3-3.5 years | 7C | 6C | 23 | 14 |
| 3.5-4 years | 8C | 7C | 24 | 14.6 |
| 4-5 years | 9C | 8C | 25 | 15.6 |
| 5-6 years | 10C | 9C | 27 | 16.5 |
| 6-7 years | 11C | 10C | 28 | 17.1 |
| 7-8 years | 12C | 11C | 30 | 18.1 |
| 8-9 years | 13C | 12C | 31 | 19.1 |
| 9-10 years | 1Y | 13Y | 32 | 19.7 |
| 10-11 years | 2Y | 1Y | 33 | 20.6 |
| 11-12 years | 3Y | 2Y | 34 | 21.6 |
👶 Baby Shoe Size Chart (0-24 months)
| Age | US Size | UK Size | EU Size | Length (cm) |
|---|---|---|---|---|
| 0-3 months | 0.5C | 0C | 15 | 8.3-9 |
| 3-6 months | 1C | 0.5C | 16 | 9.1-9.8 |
| 6-9 months | 1.5C | 1C | 17 | 9.9-10.4 |
| 9-12 months | 3C | 2C | 18 | 10.5-11 |
| 12-18 months | 4C | 3C | 19 | 11.1-11.7 |
| 18-24 months | 4.5C | 3.5C | 20 | 11.8-12.5 |
Before buying shoes online, always check customer reviews on Amazon or the retailer’s website. Shoppers often mention if shoes run larger, smaller, or true to size – this insider information is gold!
📋 Essential Shoe Sizing Tips & Guidelines
⏰ Measure in the evening: Your feet naturally expand throughout the day, so evening measurements give you the most accurate size for all-day comfort.
📏 Account for width: Shoe size charts typically measure length only. If you have narrow or wide feet, look for brands offering width options (N, M, W, XW).
⭐ Check brand-specific reviews: Sizing varies significantly between manufacturers. Nike, Adidas, New Balance all size differently.
👟 Laced vs. slip-on: Laced shoes offer more flexibility and adjustment options than slip-on styles.
🧦 Sock thickness matters: Adjust fit by wearing thicker or thinner socks – this works great for slightly loose shoes.
👶 Children’s shoes: Kids typically outgrow shoes in 4-5 months. Buy with small growing room but not too large.
🚶 Walking shoes: If you’ll be walking a lot, consider going up half a size to accommodate foot swelling.
🏃 Activity-specific sizing: Running shoes need cushioning, hiking shoes need ankle support, dress shoes need quality construction.
✅ Be honest about your size: Wearing the correct size is always more comfortable and healthier than forcing a smaller size.
📐 Measure both feet: One foot is often slightly larger – always use the larger measurement when selecting shoes.
Understanding International Shoe Size Standards
Shoe sizing systems vary significantly across different countries and regions. The United States, United Kingdom, Europe, and Japan all use different measurement standards, which can make international online shopping confusing and challenging.
Our comprehensive conversion charts help bridge these differences by providing accurate comparisons across all major sizing systems used worldwide. These measurements primarily consider foot length but don’t account for width variations.
Key differences between systems:
- US System: Based on inches, with separate scales for men and women
- UK System: Similar to US but with different starting points
- EU System: Based on centimeters, generally unisex
- Japan System: Uses centimeters directly as the size number
Each manufacturer may use slightly different lasts (foot-shaped forms) when creating shoes, which means sizing can vary even within the same size number. Because of this, our charts serve as reliable estimates rather than absolute guarantees of fit.
When shopping online, especially from international retailers, always check the specific brand’s sizing guide if available. Customer reviews are invaluable for understanding whether a particular shoe model runs large, small, or true to size.