Conversions & SizesFormula-based · Runs in your browser

Shoe Size Converter

Convert shoe sizes between US, UK, and EU standards.

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Calculation steps

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  1. 1

    Formula selected

    The calculator uses the following formula or method.

    The entered size is converted through the calculator’s published regional size-offset table.

  2. 2

    Values entered

    Your values are placed into the calculation.

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  3. 3

    Result calculated

    The formula or method produces the following result values.

    Results will appear after a successful calculation.

  4. 4

    Answer formatted

    Displayed values are rounded and formatted using each output’s configured precision.

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How it works

Convert shoe sizes between US, UK, and EU standards.

Input query strings and outputs

Use an input name in this page’s URL as ?name=value, and join additional inputs with &. Portable shared links may instead use the compact ?ac= state parameter.

Input query strings

3
  • ?size= Current Size

    Number · Optional · Default: 9

  • ?region= Region

    Text · Optional · Default: us

  • ?gender= Gender

    Choice · Optional · Default: men

Outputs

1
  • result Result

    Text · Primary output

result contains the calculator’s complete rendered result area, including its visible result cards, tables, charts, and messages.

Convert footwear sizes between US, UK, and European standards

Description

The Shoe Size Converter is an essential tool for international shoppers and travelers. Footwear sizing is notoriously inconsistent across borders. While the US uses two separate scales for Men and Women, the UK uses a single slightly shifted scale, and Europe uses the “Paris Point” system. This tool allows you to enter your current size in your home region and see the equivalent in the others.

Inputs

  • Gender: Select Men or Women (primarily affects US sizing).
  • Size: Your current numerical shoe size.
  • Region: The standard your current size is measured in (US, UK, or EU).

Outputs

  • US Size: The equivalent US size for both Men (M) and Women (W).
  • UK Size: The corresponding United Kingdom size.
  • EU Size: The corresponding European size.

Chart

  • N/A: This tool provides a categorical sizing result.

“Good to Know”

  • The Logic:
    • UK vs US: A UK size is typically 0.5 to 1 full size smaller than a US Men’s size.
    • Men vs Women (US): A US Women’s size is exactly 1.5 sizes larger than the equivalent Men’s size.
  • Fit Variance: Even with a converter, sizes can vary by brand. Always check individual manufacturer’s “Fit Guides” where possible, especially for athletic or high-end footwear.
  • Measure by mm: If you are unsure, many modern size charts also include “Mondopoint” (the length of the foot in millimeters), which is the most accurate way to measure.

Examples

Example 1: US Man

  • Input: 9, Men, US
  • Output: US: 9.0 (M) / 10.5 (W), UK: 8.5, EU: 43.4

Example 2: UK Woman

  • Input: 6, Women, UK
  • Output: US: 6.5 (M) / 8.0 (W), UK: 6.0, EU: 40.3

Example 3: European Traveler

  • Input: 42, Men, EU
  • Output: US: 7.9 (M) / 9.4 (W), UK: 7.4, EU: 42.0
Sources
  • No external reference is listed for this calculator. Its formula and variable definitions are shown above.
Limitations
  • Sizing charts differ by brand and region; compare the result with the seller or manufacturer chart.
  • Measurement and sizing conventions can vary. Check the stated conversion basis and any manufacturer-specific size chart.