Nike running size guide

How to choose the right Nike size for running shoes and sportswear.

  1. 01

    Measure your foot correctly

    Measure at the end of the day when feet are at their largest. Measure both feet and use the larger measurement.

  2. 02

    Nike sizing philosophy

    Nike generally runs true to size. Most customers can order their usual EU size.

  3. 03

    Running shoes tip

    For running, consider sizing up half a size to allow for foot swelling during exercise.

  4. 04

    Use the SIZER converter

    Enter your EU size in SIZER with Nike selected to get the exact equivalent in US, UK, JP and more.

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Sample conversion

38 EU

10 UK6 US40 IT38 FR

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