{
  "title": "What a UK size 12 measures at 27 retailers",
  "url": "https://www.renderedfits.com/uk-size-12-measurements/",
  "publisher": "Rendered Fits",
  "published": "2026-11-12",
  "sizeChartsRead": "2026-11-12",
  "licence": "CC BY 4.0 for the calculated ranges and middle values. Retailer figures belong to each retailer; see the page for each source link.",
  "citation": "Rendered Fits (2026). What a UK size 12 measures at 27 retailers. https://www.renderedfits.com/uk-size-12-measurements/ doi:10.5281/zenodo.24165875",
  "doi": "10.5281/zenodo.24165875",
  "retailersCompared": 27,
  "retailersWithOneFigurePerSize": 26,
  "retailers": [
    {
      "name": "Albaray",
      "source": "https://www.albaray.co.uk/pages/size-guide"
    },
    {
      "name": "AllSaints",
      "source": "https://www.allsaints.com/sizeguide.html"
    },
    {
      "name": "Boden",
      "source": "https://boden.com/pages/sizing-and-care"
    },
    {
      "name": "Bonmarché",
      "source": "https://www.bonmarche.co.uk/sizeguide/sizeguide.html"
    },
    {
      "name": "Boohoo",
      "source": "https://www.boohoo.com/page/size-guide.html"
    },
    {
      "name": "Dorothy Perkins",
      "source": "https://www.dorothyperkins.com/pages/informational/size-guide"
    },
    {
      "name": "FatFace",
      "source": "https://www.fatface.com/size-guide"
    },
    {
      "name": "Hobbs",
      "source": "https://www.hobbs.com/size-guide.html"
    },
    {
      "name": "Jigsaw",
      "source": "https://www.jigsaw-online.com/pages/size-guide"
    },
    {
      "name": "Kaleidoscope",
      "source": "https://www.kaleidoscope.co.uk/web/main/sizeguide-default.asp"
    },
    {
      "name": "Marks & Spencer",
      "source": "https://www.marksandspencer.com/us/sizeguides/sizeguidewomens/sizeguidewomens-dresses.html"
    },
    {
      "name": "ME+EM",
      "source": "https://www.meandem.com/size-guide"
    },
    {
      "name": "Monsoon",
      "source": "https://www.monsoon.co.uk/size-guide.html"
    },
    {
      "name": "New Look",
      "source": "https://help-uk.newlook.com/hc/en-gb/articles/360015270672-Core-Women-s-sizes"
    },
    {
      "name": "Nobody's Child",
      "source": "https://www.nobodyschild.com/pages/size-guide"
    },
    {
      "name": "Oliver Bonas",
      "source": "https://www.oliverbonas.com/size-guide"
    },
    {
      "name": "Omnes",
      "source": "https://www.omnes.com/pages/size-guide"
    },
    {
      "name": "Phase Eight",
      "source": "https://www.phase-eight.com/size-guide.html"
    },
    {
      "name": "PrettyLittleThing",
      "source": "https://www.prettylittlething.com/size-guide"
    },
    {
      "name": "Reiss",
      "source": "https://www.reiss.com/size-guide"
    },
    {
      "name": "Rixo",
      "source": "https://rixolondon.com/pages/size-guide-modal"
    },
    {
      "name": "Seasalt Cornwall",
      "source": "https://www.seasaltcornwall.com/size-guide"
    },
    {
      "name": "Sosandar",
      "source": "https://www.sosandar.com/size-guide"
    },
    {
      "name": "Sugarhill Brighton",
      "source": "https://sugarhill-brighton.reamaze.com/kb/sizing/international-size-guide"
    },
    {
      "name": "Thought",
      "source": "https://wearethought.com/size-guides"
    },
    {
      "name": "Warehouse",
      "source": "https://www.warehousefashion.com/pages/informational/size-guide"
    },
    {
      "name": "White Stuff",
      "source": "https://www.whitestuff.com/size-guide"
    }
  ],
  "method": "Body measurements for bust, waist and hips read from each retailer's public women's size guide. Inches converted at 2.54 cm. Nothing estimated. Retailers that publish a range per size are excluded from the statistics.",
  "limits": [
    "Not a random sample or a market-share ranking",
    "Body measurements, not garment measurements",
    "Hip measuring point differs slightly between retailers",
    "Dated snapshot; charts change"
  ],
  "bySize": [
    {
      "ukSize": 8,
      "charts": 26,
      "bust": {
        "minCm": 82,
        "maxCm": 87,
        "spreadCm": 5,
        "medianCm": 84
      },
      "waist": {
        "minCm": 64,
        "maxCm": 71,
        "spreadCm": 7,
        "medianCm": 66
      },
      "hips": {
        "minCm": 89,
        "maxCm": 98,
        "spreadCm": 9,
        "medianCm": 92
      }
    },
    {
      "ukSize": 10,
      "charts": 26,
      "bust": {
        "minCm": 87,
        "maxCm": 92,
        "spreadCm": 5,
        "medianCm": 89
      },
      "waist": {
        "minCm": 69,
        "maxCm": 75,
        "spreadCm": 6,
        "medianCm": 71
      },
      "hips": {
        "minCm": 94,
        "maxCm": 103,
        "spreadCm": 9,
        "medianCm": 97
      }
    },
    {
      "ukSize": 12,
      "charts": 26,
      "bust": {
        "minCm": 92,
        "maxCm": 97,
        "spreadCm": 5,
        "medianCm": 94
      },
      "waist": {
        "minCm": 74,
        "maxCm": 80,
        "spreadCm": 6,
        "medianCm": 76
      },
      "hips": {
        "minCm": 99,
        "maxCm": 108,
        "spreadCm": 9,
        "medianCm": 102
      }
    },
    {
      "ukSize": 14,
      "charts": 26,
      "bust": {
        "minCm": 97,
        "maxCm": 102,
        "spreadCm": 5,
        "medianCm": 99
      },
      "waist": {
        "minCm": 78.7,
        "maxCm": 85,
        "spreadCm": 6.3,
        "medianCm": 81
      },
      "hips": {
        "minCm": 104,
        "maxCm": 113,
        "spreadCm": 9,
        "medianCm": 107
      }
    },
    {
      "ukSize": 16,
      "charts": 26,
      "bust": {
        "minCm": 102,
        "maxCm": 108,
        "spreadCm": 6,
        "medianCm": 104.3
      },
      "waist": {
        "minCm": 83.8,
        "maxCm": 90,
        "spreadCm": 6.2,
        "medianCm": 87
      },
      "hips": {
        "minCm": 109,
        "maxCm": 118,
        "spreadCm": 9,
        "medianCm": 113
      }
    },
    {
      "ukSize": 18,
      "charts": 25,
      "bust": {
        "minCm": 108,
        "maxCm": 115,
        "spreadCm": 7,
        "medianCm": 110
      },
      "waist": {
        "minCm": 88.9,
        "maxCm": 97,
        "spreadCm": 8.1,
        "medianCm": 93
      },
      "hips": {
        "minCm": 115,
        "maxCm": 123,
        "spreadCm": 8,
        "medianCm": 118.1
      }
    }
  ],
  "size12": {
    "bust": {
      "minCm": 92,
      "maxCm": 97,
      "spreadCm": 5,
      "medianCm": 94,
      "lowest": [
        "Marks & Spencer",
        "Monsoon",
        "Bonmarché"
      ],
      "highest": [
        "Oliver Bonas"
      ]
    },
    "waist": {
      "minCm": 74,
      "maxCm": 80,
      "spreadCm": 6,
      "medianCm": 76,
      "lowest": [
        "Monsoon"
      ],
      "highest": [
        "Oliver Bonas"
      ]
    },
    "hips": {
      "minCm": 99,
      "maxCm": 108,
      "spreadCm": 9,
      "medianCm": 102,
      "lowest": [
        "Bonmarché",
        "Kaleidoscope"
      ],
      "highest": [
        "Rixo"
      ]
    }
  }
}