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    Lifestyle

    International Clothing Size Conversion Guide

    UnitConvertLab Team
    2026-04-20
    5 min read

    Why Sizes Vary by Country

    Clothing sizes are notoriously inconsistent. A "Medium" in Italy might be a "Small" in the US. This is due to different body type averages and historical measurement standards.

    Women's Dress Sizes (Approx)

    USUKEuropeItaly
    483640
    6103842
    8124044
    10144246

    Men's Shirt Sizes

    Men's shirts usually use neck circumference in inches (US/UK) or centimeters (EU).

    • 15 inches ≈ 38 cm
    • 16 inches ≈ 41 cm
    • 17 inches ≈ 43 cm

    Key Takeaways

    • Italian sizing runs small
    • UK sizes are usually one step up from US
    • When in doubt, use a tape measure in cm