Shoe Size Converter
Convert shoe sizes between US, EU, UK, and CM systems.
Last updated: June 13, 2026
Calculator
Results
How to Use This Calculator
- 1Enter your shoe size.
- 2Select the current size system (US, EU, UK).
- 3Select gender.
- 4View conversions for all systems.
Formula Explanation
Shoe size conversion uses standard size charts relating US, EU, and UK systems to foot length in centimeters.
Variables:
Worked Examples
US Men's 10
- 1. EU = 10 + 33 = 43
- 2. UK = 10 - 0.5 = 9.5
- 3. US Women = 10 + 1.5 = 11.5
Why Use This Calculator
- Shop internationally with confidence.
- Convert between men's and women's sizes.
- Know your EU size for European brands.
- Quick reference for online shopping.
Tips & Best Practices
- Sizes vary by brand — these are approximate conversions.
- Try on shoes in the afternoon when feet are slightly larger.
- Always measure both feet — most people have one foot slightly larger.
- Leave a thumb's width of space at the toe.
Common Mistakes to Avoid
❌ Assuming shoe sizes are exact across brands.
✅ Shoe sizes vary by manufacturer. Use these as starting points and always try on or check the brand's specific size chart.
❌ Not accounting for width.
✅ Standard conversions assume medium width (D for men, B for women). Wide and narrow feet may need different sizes.
Frequently Asked Questions
What US size is EU 42?
Is shoe sizing universal?
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<iframe src="https://redicalc.com/embed/travel/shoe-size-converter" width="100%" height="600" style="border:none;border-radius:12px;box-shadow:0 1px 3px rgba(0,0,0,0.1);" title="Shoe Size Converter — RediCalc.com" loading="lazy" allowtransparency="true"></iframe>Disclaimer: This calculator is provided for informational and educational purposes only. Results are estimates and should not be used as a substitute for professional advice. RediCalc.com makes no guarantees regarding the accuracy, completeness, or suitability of any calculations. Always consult a qualified professional before making financial, health, construction, or other important decisions.
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