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Clothing and shoe size converter for AU, UK, US, CA and EU

Find your best clothing and shoe size match before you buy. SizeSwapper compares official brand size guides, AU, UK, US, CA and EU sizing, and your own measurements — the strongest fit guidance available, short of trying it on. Get a confidence rating and between-size advice, so you shop faster with less guesswork and fewer wrong-size returns.

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      Your closest match:

      This is the closest match based on available published measurements. Product-level fit may still vary.

      Zimmermann vs Reformation sizing

      This comparison uses visible measurement rows to map published sizes from Zimmermann to the closest Reformation size.

      Women tops

      Source sizeSource bust/chestSource waistSource hipClosest targetTarget bust/chestTarget waistTarget hip
      Zimmermann 0P 80 60 86 Reformation 0 81.3 61 88.9
      Zimmermann 0 84 65 90 Reformation 2 83.8 63.5 91.4
      Zimmermann 1 89 70 95 Reformation 6 88.9 68.6 96.5
      Zimmermann 2 94 75 100 Reformation 8 92.7 72.4 100.3
      Zimmermann 3 99 80 105 Reformation 10 96.5 76.2 104.1
      Zimmermann 4 104 85 110 Reformation 12 101.6 81.3 109.2

      Women dresses

      Source sizeSource bust/chestSource waistSource hipClosest targetTarget bust/chestTarget waistTarget hip
      Zimmermann 0P 80 60 86 Reformation 0 81.3 61 88.9
      Zimmermann 0 84 65 90 Reformation 2 83.8 63.5 91.4
      Zimmermann 1 89 70 95 Reformation 6 88.9 68.6 96.5
      Zimmermann 2 94 75 100 Reformation 8 92.7 72.4 100.3
      Zimmermann 3 99 80 105 Reformation 10 96.5 76.2 104.1
      Zimmermann 4 104 85 110 Reformation 12 101.6 81.3 109.2
      Fit notes: True to size / Precision luxury cuts True to size on bust, highly tailored at natural waist line True to size but narrow torso height

      Sources: Zimmermann and Reformation official size guides. Last checked: 2026-06-20.