AI Shoe Size Converter

Convert shoe sizes between US, UK, EU, and Asian systems. Get brand-specific recommendations for the perfect fit.

Why choose our AI Shoe Size Converter?

Shoe size conversion between different systems

Multi-System Conversion

Convert between US, UK, EU, CM, and Asian sizing systems instantly. Whether you're shopping domestic or international, get accurate conversions every time.

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AI measuring foot size from photo

Photo-Based Measurement

Place your foot next to a credit card or standard object and upload a photo. The AI calculates your exact foot length and width for precise sizing.

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Brand-specific shoe size recommendations

Brand-Specific Guidance

Different brands fit differently. Get tailored recommendations knowing that Nike runs small, Adidas runs wide, and European brands have their own quirks.

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Who is it for?

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For International Shoppers

Buy shoes from any country with confidence. No more guessing what EU 42 means in US sizes.

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For Sneaker Collectors

Know your exact size across Nike, Jordan, Yeezy, and other brands for limited releases.

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For Gift Buyers

Convert sizes accurately when buying shoes as gifts, even across different sizing regions.

AI Size Converter vs Traditional Charts

Static Charts

Flowith AI

Accuracy

Static size charts that don't account for brand variations.

AI considers brand-specific sizing, foot width, and regional differences.

Measurement Input

Requires manual measurement with rulers and paper.

Upload a photo of your foot with a reference object for instant measurement.

Brand Recommendations

Generic conversions that ignore how different brands fit.

Get specific size recommendations for Nike, Adidas, EU brands, and more.

Confidence Level

Uncertainty leads to returns and exchanges.

Detailed fit predictions help you order the right size the first time.

How to convert sizes in 3 steps?

1

Enter Your Size

Input your known shoe size or upload a foot photo for measurement.

2

Select Target System

Choose the sizing system you need—US, UK, EU, CM, or specific brands.

3

Get Recommendations

Receive converted sizes with fit notes and brand-specific adjustments.

Frequently Asked Questions

With proper lighting and a standard reference object (like a credit card), accuracy is within 2-3mm—sufficient for correct sizing in most cases.
Brands use different lasts (foot molds) and sizing standards. A US 10 in Nike might fit like a US 10.5 in New Balance. Our AI accounts for these differences.
We support width conversions too—narrow, standard, wide, and extra-wide options for brands that offer them.
Yes, the converter handles infant, toddler, little kid, and big kid sizing across all major systems.
The AI provides recommendations based on shoe type. Running shoes typically size up, while dress shoes might size down. You'll get specific guidance for your situation.

Find your perfect fit today

Join shoppers worldwide using Flowith AI for accurate sizing.

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