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Convert shoe sizes between US, UK, EU, and CM for men, women, and kids — or find your size from your foot length. Free, accurate charts included.

Shoe Size Converter

Shoe Size Converter

Convert shoe sizes between US, UK, EU and CM (Mondo) for men, women and kids — or find your size by measuring your foot.

Sizes shown use standard US retail conversions. Fit varies by brand — when between sizes, size up for comfort.

Men’s size chart

USUKEUCMInches

Click any row to convert that size.

100% private

Runs entirely in your browser. Nothing you enter is uploaded anywhere.

No signup

Use it instantly. No accounts, no email, no waiting.

Free forever

No trial limits, no locked features.

How to use the Shoe Size Converter

  1. Pick your tab

    Choose Men, Women, or Kids to see the right size chart.

  2. Convert a size, or start from your foot

    Enter a size in the US, UK, or EU system and see it converted instantly. Or measure your foot length in inches and let the tool find your size.

  3. Read your size everywhere

    See your size in all three systems at once, or click any chart row to convert that size directly.

Features

Men, Women, and Kids

Separate tabs and charts for men’s, women’s, and children’s footwear.

US, UK, and EU systems

Convert between all three major sizing systems in one click.

Convert by foot length

Measure heel to longest toe in inches and get your size without guessing.

Mondo and CM sizing

Your CM (Mondo) size equals your foot length in centimeters, the most reliable system for online orders.

Clickable size charts

Click any row of the chart to convert that size instantly.

Fit guidance built in

The tool adds about 0.3 inches of wiggle room and reminds you to size up when you are between sizes, since fit varies by brand.

Frequently asked questions

Is the Shoe Size Converter really free?
Yes. Free with no signup and no limits.
Which size systems are supported?
US, UK, and EU sizes for men, women, and kids, using standard US retail conversions.
How do I measure my foot correctly?
Measure from heel to longest toe while standing, late in the day when feet are at their largest, and enter the length in inches. The tool adds about 0.3 inches of wiggle room for comfort.
What is Mondo or CM sizing?
Mondo sizing is simply your foot length in centimeters. Because it is a direct measurement rather than a regional scale, it is the most reliable system for ordering shoes online.
What if I am between sizes?
Size up for comfort. The converter notes this too, since fit varies by brand and a slightly roomier shoe beats a cramped one.
Why do the same sizes fit differently across brands?
Brands use slightly different lasts and fit philosophies even on the same scale. The converter uses standard retail conversions, so when precision matters, check the brand’s own chart or go by your CM measurement.

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