Nike Size Guide

Shopping Nike from another country? This page converts Nike shoe sizes to your region and explains how Nike's sizing tends to run. Nike shoes often run narrow and slightly short; many buyers go half a size up. Width options exist for some running models.

Enter a valid size for your selected region.

Results update automatically as you select options

Converted Sizes

Independent conversion tool — not an official brand calculator. Fit may vary by brand, width, and foot shape.

Brand sizing differences

Nike uses its own fit models and lasts; sizes often differ from generic conversion charts. Shoes may run small or large depending on the line.

EU vs US discrepancies

EU and US sizing don't align 1:1. Nike products sold in Europe may be labeled in EU sizes; when buying from the US site you'll see US sizes. Use our converters below to translate between regions.

Fit type (narrow / wide)

Nike shoes often run narrow and slightly short; many buyers go half a size up. Width options exist for some running models.

Fit Characteristics

Some users report that this brand may feel narrower in the forefoot compared to standard sizing. If you experience tightness on the sides despite correct length, consider checking if wide versions are available. Fit can vary by model.

Real-world fit tips

Measure yourself and compare to Nike's official size chart for the specific item. When between sizes, many buyers size up for comfort. Read recent customer reviews for fit notes.

Frequently Asked Questions

How do I use this converter?

Select your gender, region, and size above. The converted sizes for other regions appear automatically — no separate submit step needed.

Does Nike run true to size?

Nike shoes often run narrow and slightly short; many buyers go half a size up. Width options exist for some running models.

How does Nike sizing compare to standard charts?

Nike uses its own fit models and lasts; sizes often differ from generic conversion charts. Shoes may run small or large depending on the line.

Does Nike sizing vary by product line?

EU and US sizing don't align 1:1. Nike products sold in Europe may be labeled in EU sizes; when buying from the US site you'll see US sizes. Use our converters below to translate between regions.

Should I check Nike's official size chart too?

Yes. This converter gives a standardized international equivalent, but individual shoe items can run differently by style or season — checking Nike's own size chart for the specific product reduces the chance of a return.