Jacket Size Converter

Convert jacket sizes between US, UK, EU, and international size labels with a clear men's and women's reference chart.

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How This Tool Works

Select men's or women's sizing, then choose a US jacket size. The converter shows the closest UK, EU, and international label, plus the matching chest or bust measurement from the reference chart.

  • Input: A US jacket size, such as 40R or women's 8.
  • Output: Equivalent UK, EU, and international size labels.
  • Reference: The full chart highlights the selected size so you can compare nearby sizes.

Why This Matters

Jacket size labels vary by region and brand. Comparing the size label with the chest or bust measurement helps reduce guesswork when shopping internationally or checking a retailer's size guide.

Use the chart as a starting point, then confirm fit against the brand's own measurements when available.

Common Mistakes to Avoid

  • Do not rely on labels alone: A US, UK, or EU label can map differently across brands and garment cuts.
  • Measure the right place: Compare chest or bust measurements at the fullest point, or measure a jacket that already fits well.
  • Check fit style: Slim, regular, and relaxed jackets can feel different even when the size label is the same.

Tips for Best Results

Measure twice with a flexible tape measure and compare the result with the closest row in the chart.

If a retailer publishes its own garment measurements, use that chart first and use this converter to translate the regional label.

Frequently Asked Questions

Common questions about the Jacket Size Converter

Size conversions are approximate guides since sizing varies between brands and manufacturers. Use these conversions as a starting point and always check individual brand size charts when possible.