UK to EU shoe size converter
The UK scale is shared by men and women, so enter your size to get the EU equivalent.
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Processing and privacy: The result is calculated inside your browser and your data is not sent to any server.
How to use it
- Enter uk size.
- The result appears straight away and updates as you edit.
- Copy the result, or copy a link that keeps the same values to share it.
How it is calculated
Foot length (in) = (UK + 23) ÷ 3, then EU = 1.5 × foot length (cm) + 2, with 1 in = 2.54 cm. The result is rounded to the nearest half size, following the ISO/TS 19407 formulas.
Example
Inputs: UK size = 7. Result: EU size: 40; Exact value before rounding: 40.1; Approximate foot length: 25.4 cm.
Limits and caveats
- Brands and models can differ from this chart by up to one size, so check the brand's own chart when you have it.
- Based on the ISO/TS 19407 formulas, which add an allowance of two sizes to the foot length.
- Foot width and shape are not taken into account.
Questions about this tool
What is UK 7 in EU sizes?
It is EU 40 using the ISO/TS 19407 formulas; the exact value before rounding is 40.1, which fits a foot of about 25.4 cm.
Why does a brand's chart differ from this UK to EU result?
Each brand rounds its sizes and builds its lasts its own way, so its chart can be up to one size off. Measuring your foot in cm is the most reliable check.
Is UK sizing different for men and women?
Not in this chart: every UK size is 1/3 inch for everyone. Some brands label women's UK sizes half a size apart, so check their chart.