b2KIT

International Clothing Size Converter

Convert clothing sizes between US, UK, EU, and Asian sizing for shirts, pants, and dresses.

Tested tool guide Tested browser tools Checked August 16, 2026

What International Clothing Size Converter does and how it behaves

A label such as 8, 38, or L means different things in different clothing markets. The International Clothing Size Converter translates a selected shirt, pants, or dress size among US, UK, EU, and Asian labels so that listings using another system are easier to interpret. It matches labeled sizes by garment category rather than calculating a size from body measurements. The common mistake is treating the converted label as a fit guarantee. Brand patterns, garment cuts, and regional conventions can still produce substantial differences.

How the result is produced

1

Category-specific conversion

The conversion combines a garment category with a labeled size and its source sizing system. Shirts, pants, and dresses are handled as separate categories because the same-looking label does not necessarily represent the same body dimensions or grading convention across garment types. The result expresses that input in each supported sizing system.

2

Label comparison, not measurement

The output is a cross-system size correspondence, not a calculation based on chest, waist, hip, inseam, or height. It is most useful when a garment listing supplies only a regional label. If measurements are available, compare them with the retailer's own chart before relying on the converted size.

Good uses

  • Checking which EU dress label corresponds most closely to a familiar US dress size before reviewing an overseas listing.
  • Interpreting a UK pants size while comparing products sold by retailers that display US or EU labels.
  • Translating a familiar shirt size into an Asian label as a starting point before consulting the seller's measurements.

Limits and checks

  • There is no single worldwide clothing-size system, and brands using the same regional label can cut garments differently.
  • Asian sizing is a broad description rather than one uniform standard; labels may differ by country, retailer, and intended market.
  • A plausible converted label can still fit poorly because the converter does not account for body shape, preferred ease, stretch, rise, or garment cut.

Common questions

Will the converted size definitely fit me?

No. The result identifies a comparable regional label, but it cannot guarantee fit. Check the item's actual measurements and the retailer's size chart, especially for fitted dresses, tailored shirts, and pants. Fabric stretch, intended ease, rise, and brand-specific grading can make two garments with equivalent labels fit differently.

Can I use one converted Asian size for every retailer?

No. Asian sizing is not one universal sequence shared by every country or brand. Treat the converted label as an initial comparison only. When the seller provides dimensions, prioritize those measurements and confirm whether they describe the wearer's body or the finished garment, since those are not interchangeable.

References and verification

The behavioral notes were checked against the browser implementation. Standards and primary references below define the relevant format, formula, or platform behavior.

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