{
  "name": "Paper sizes (ISO A-series & US) in mm, inches and pixels",
  "description": "Standard paper sizes — ISO 216 A-series (A0–A6) and common US sizes (Letter, Legal, Tabloid, Executive) — with dimensions in millimetres, inches and pixels at 300 DPI (print resolution).",
  "identifier": "https://alice51849.github.io/ios-app-guide/data/paper-sizes.json",
  "license": "https://creativecommons.org/licenses/by/4.0/",
  "creator": "Lumi Apps",
  "isBasedOn": "https://en.wikipedia.org/wiki/ISO_216",
  "dateModified": "2026-07-10",
  "note": "Pixels = inches × DPI at 300 DPI. ISO sizes are defined in mm; US sizes are defined in inches, so pixels are computed from each size's canonical unit. The ISO A-series keeps a 1:√2 ratio.",
  "sizes": [
    {
      "name": "A0",
      "category": "ISO A-series",
      "widthMm": 841,
      "heightMm": 1189,
      "inches": "33.11 × 46.81 in",
      "pixels300dpi": "9933 × 14043",
      "widthPx300": 9933,
      "heightPx300": 14043
    },
    {
      "name": "A1",
      "category": "ISO A-series",
      "widthMm": 594,
      "heightMm": 841,
      "inches": "23.39 × 33.11 in",
      "pixels300dpi": "7016 × 9933",
      "widthPx300": 7016,
      "heightPx300": 9933
    },
    {
      "name": "A2",
      "category": "ISO A-series",
      "widthMm": 420,
      "heightMm": 594,
      "inches": "16.54 × 23.39 in",
      "pixels300dpi": "4961 × 7016",
      "widthPx300": 4961,
      "heightPx300": 7016
    },
    {
      "name": "A3",
      "category": "ISO A-series",
      "widthMm": 297,
      "heightMm": 420,
      "inches": "11.69 × 16.54 in",
      "pixels300dpi": "3508 × 4961",
      "widthPx300": 3508,
      "heightPx300": 4961
    },
    {
      "name": "A4",
      "category": "ISO A-series",
      "widthMm": 210,
      "heightMm": 297,
      "inches": "8.27 × 11.69 in",
      "pixels300dpi": "2480 × 3508",
      "widthPx300": 2480,
      "heightPx300": 3508
    },
    {
      "name": "A5",
      "category": "ISO A-series",
      "widthMm": 148,
      "heightMm": 210,
      "inches": "5.83 × 8.27 in",
      "pixels300dpi": "1748 × 2480",
      "widthPx300": 1748,
      "heightPx300": 2480
    },
    {
      "name": "A6",
      "category": "ISO A-series",
      "widthMm": 105,
      "heightMm": 148,
      "inches": "4.13 × 5.83 in",
      "pixels300dpi": "1240 × 1748",
      "widthPx300": 1240,
      "heightPx300": 1748
    },
    {
      "name": "Letter",
      "category": "US / North America",
      "widthMm": 216,
      "heightMm": 279,
      "inches": "8.5 × 11 in",
      "pixels300dpi": "2550 × 3300",
      "widthPx300": 2550,
      "heightPx300": 3300
    },
    {
      "name": "Legal",
      "category": "US / North America",
      "widthMm": 216,
      "heightMm": 356,
      "inches": "8.5 × 14 in",
      "pixels300dpi": "2550 × 4200",
      "widthPx300": 2550,
      "heightPx300": 4200
    },
    {
      "name": "Tabloid / Ledger",
      "category": "US / North America",
      "widthMm": 279,
      "heightMm": 432,
      "inches": "11 × 17 in",
      "pixels300dpi": "3300 × 5100",
      "widthPx300": 3300,
      "heightPx300": 5100
    },
    {
      "name": "Executive",
      "category": "US / North America",
      "widthMm": 184,
      "heightMm": 267,
      "inches": "7.25 × 10.5 in",
      "pixels300dpi": "2175 × 3150",
      "widthPx300": 2175,
      "heightPx300": 3150
    }
  ]
}