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Shoe size converter

Unit converters

Convert approximate shoe sizes between US, UK and EU scales.

Updated

Shoe size converter

Convert approximate shoe sizes between US, UK and EU scales.

Input format: Line 1=size, Line 2=unit (us/uk/eu)

Output

Quick start

How to use shoe-size

Enter input and view computed output.

  1. Step 1
    Enter input

    Paste or type your data in the input box.

  2. Step 2
    Compute

    The tool processes input instantly in your browser.

  3. Step 3
    Use output

    Copy output and continue your workflow.

In-depth guide

Shoe size converter guide

Convert approximate shoe sizes between US, UK and EU scales. This tool is designed for fast local processing and practical day-to-day use.

Quick start

Paste input, review output instantly, then copy it for your workflow.

Input tips

Use one value per line for structured inputs. Common separators are handled gracefully.

Privacy

Processing runs in your browser tab for the MVP workflow, with no mandatory upload step.

When to use it vs alternatives

Use this converter when you need a quick value across metric, imperial, data, time, or other unit systems. Use domain-specific engineering, lab, or compliance software when tolerances, significant figures, or standards must be formally controlled.

Common pitfalls

  • Confirm the source unit before copying a result, especially when labels are similar across systems.
  • Rounding can matter for materials, shipping, science, and engineering calculations.
  • Check whether your context expects SI, IEC, US customary, imperial, or regional units.

Frequently asked questions

Which size systems does it convert?

It converts between US, UK, EU and centimetre foot-length systems for easier international shopping.

Why do brands fit differently at the same size?

Each brand uses its own last (the shape a shoe is built on), so the same labelled size can fit differently. Foot length in centimetres is the most reliable guide.

How do I measure my foot length?

Stand on paper, mark heel to longest toe, and measure in centimetres. Measure both feet in the afternoon when feet are largest.

Are men's and women's sizes different?

Yes. US sizing differs by gender by roughly 1.5 sizes, which the conversion accounts for.

Should I size up for wide feet?

Width is separate from length. Look for wide-width options rather than sizing up, which only adds length.

Is any data uploaded?

No. All conversions run locally in your browser.

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