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Size guides & articles

Plain-language explanations of how international sizing actually works.

  • Education

    How shoe sizes differ around the world

    Shoe systems use different measurement scales and label conventions. The brand’s current conversion chart matters more than a guessed country offset.

  • Education

    US vs EU clothing sizes, explained

    European clothing labels vary by brand and country convention. Measurement standards do not guarantee one mandatory EU numeric chart.

  • Brand guides

    Nike sizing, explained

    Nike fit depends on the silhouette, category and width. Use current official model guidance rather than a blanket lifestyle size-down rule.

  • How-to

    How to measure your feet correctly

    Measure both feet in consistent conditions, then use the manufacturer’s measured-foot guidance to find a starting size.

SizeAtlas

An independent, plain-language reference for sizing — across countries, brands and body parts.

All conversions approximate

Converters

  • Shoe sizes
  • Clothing sizes
  • Ring sizes
  • Bra sizes
  • Hat sizes
  • Glove sizes
  • Children's sizes

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