How accurate is the Shoe Size Converter?

It uses standard men's and women's reference charts to estimate the equivalent US, UK, EU and centimeter sizes. Because brands round differently, treat the result as a close estimate and check the specific brand's size chart for an exact fit.

Why do men's and women's charts give different sizes for the same foot?

US and UK women's shoe sizes run about 1.5 to 2 sizes higher than men's for the same foot length, so the Shoe Size Converter uses separate charts for each and you should pick the one that matches the shoe you are buying.

Can I convert a centimeter foot measurement directly?

Yes. Select cm as the source system and enter your foot length in centimeters, measured from heel to the longest toe, to see the matching US, UK and EU sizes.

Does the Shoe Size Converter round to whole sizes only?

No, it rounds to the common half sizes that shoe brands actually stock, since many US and UK sizes fall on a half-size step rather than a whole number.

Does the Shoe Size Converter upload the sizes I enter?

No. The conversion happens entirely in your browser. The size you type never leaves your device and is not sent to ArrayKit or anyone else.

Why does an EU size sometimes match two different US sizes?

EU sizes increase in smaller steps than US sizes, so on some size charts a single EU size can sit between two US half sizes. The converter shows the closest practical match on the standard chart it uses.

Shoe Size Converter Online

Convert shoe sizes between US, UK, EU and centimeters for men and women in your browser. Your sizes stay on your device.

The Shoe Size Converter runs entirely in your browser. The sizes and measurements you enter never leave your device and nothing is uploaded to ArrayKit.

Open the Conversion Calculator

About Shoe Size Converter

The Shoe Size Converter translates a shoe size between US, UK, EU and centimeter foot length so you can shop confidently on a site that lists sizes in a system you do not recognize. Pick men's or women's sizing, type a size in whichever system you already know, and see the other three update instantly alongside the foot length in centimeters. It is built for anyone ordering shoes from an overseas retailer, comparing a size across two different brands, or measuring a foot length and working out where that lands on a standard chart. Because sizing tables differ slightly by brand and country, the result is a close, practical estimate rather than an exact guarantee. Everything runs locally — no sizes or measurements are uploaded.

Features

Converts between US, UK, EU and centimeter shoe sizes in real time
Separate men's and women's size charts, since the same number differs by gender
Type a size in any one system and see the other three instantly
Accepts centimeter foot length as a direct input for measuring-tape conversions
Rounds results to the common half sizes shoe brands actually sell
Copy a one-line summary of all four sizes for a quick message or note
Clear warning when the entered size is not a usable number
Runs entirely in your browser with no sizes sent anywhere

How to use the Shoe Size Converter

Choose men's or women's sizing
Select the system your known size is in — US, UK, EU or cm
Type the size into the field
Read the converted US, UK, EU and cm sizes, and copy the summary if needed

Example

Input

men's US 10

Output

UK 9.5 · EU 44 · 28 cm

A men's US size 10 lines up with UK 9.5, EU 44 and roughly a 28 cm foot length.

Common errors & troubleshooting

Converted size feels a half size off from what actually fits. — Shoe size charts vary by brand and even by shoe style, so treat the Shoe Size Converter's result as a close starting point and check the retailer's own size guide before ordering.
Picked the wrong gender chart and the sizes look far too small or large. — Men's and women's charts use different numbers for the same foot length — switch the gender toggle and the size will land in the expected range.
Entered a centimeter measurement but the result seems off. — Make sure the value is foot length in centimeters (heel to longest toe), not shoe length or another unit, then select cm as the source system.
Typed a size with a comma decimal, like 9,5, and nothing converted. — The field also accepts a comma as a decimal separator, but double-check there is only one number in the box with no extra text.

Frequently asked questions

How accurate is the Shoe Size Converter?: It uses standard men's and women's reference charts to estimate the equivalent US, UK, EU and centimeter sizes. Because brands round differently, treat the result as a close estimate and check the specific brand's size chart for an exact fit.
Why do men's and women's charts give different sizes for the same foot?: US and UK women's shoe sizes run about 1.5 to 2 sizes higher than men's for the same foot length, so the Shoe Size Converter uses separate charts for each and you should pick the one that matches the shoe you are buying.
Can I convert a centimeter foot measurement directly?: Yes. Select cm as the source system and enter your foot length in centimeters, measured from heel to the longest toe, to see the matching US, UK and EU sizes.
Does the Shoe Size Converter round to whole sizes only?: No, it rounds to the common half sizes that shoe brands actually stock, since many US and UK sizes fall on a half-size step rather than a whole number.
Does the Shoe Size Converter upload the sizes I enter?: No. The conversion happens entirely in your browser. The size you type never leaves your device and is not sent to ArrayKit or anyone else.
Why does an EU size sometimes match two different US sizes?: EU sizes increase in smaller steps than US sizes, so on some size charts a single EU size can sit between two US half sizes. The converter shows the closest practical match on the standard chart it uses.

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