{
  "name": "PrintReadyKit paper sizes dataset",
  "version": "2026-07-11",
  "license": "CC-BY-4.0",
  "license_url": "https://creativecommons.org/licenses/by/4.0/",
  "attribution": "PrintReadyKit — https://printreadykit.com/data",
  "documentation": "https://printreadykit.com/data",
  "methodology": "ISO sizes are authoritative in whole millimetres (ISO 216; withdrawn ISO 269 for C-series); US/ANSI/ARCH sizes are authoritative in inches with exact x25.4 metric conversions. Pixel values: round(mm / 25.4 * 300).",
  "count": 48,
  "sizes": [
    {
      "slug": "a0",
      "name": "A0",
      "series": "iso-a",
      "width_mm": 841,
      "height_mm": 1189,
      "width_in": 33.1102,
      "height_in": 46.811,
      "px_300dpi": [
        9933,
        14043
      ],
      "defined_in": "mm",
      "url": "https://printreadykit.com/paper-sizes/a0"
    },
    {
      "slug": "a1",
      "name": "A1",
      "series": "iso-a",
      "width_mm": 594,
      "height_mm": 841,
      "width_in": 23.3858,
      "height_in": 33.1102,
      "px_300dpi": [
        7016,
        9933
      ],
      "defined_in": "mm",
      "url": "https://printreadykit.com/paper-sizes/a1"
    },
    {
      "slug": "a2",
      "name": "A2",
      "series": "iso-a",
      "width_mm": 420,
      "height_mm": 594,
      "width_in": 16.5354,
      "height_in": 23.3858,
      "px_300dpi": [
        4961,
        7016
      ],
      "defined_in": "mm",
      "url": "https://printreadykit.com/paper-sizes/a2"
    },
    {
      "slug": "a3",
      "name": "A3",
      "series": "iso-a",
      "width_mm": 297,
      "height_mm": 420,
      "width_in": 11.6929,
      "height_in": 16.5354,
      "px_300dpi": [
        3508,
        4961
      ],
      "defined_in": "mm",
      "url": "https://printreadykit.com/paper-sizes/a3"
    },
    {
      "slug": "a4",
      "name": "A4",
      "series": "iso-a",
      "width_mm": 210,
      "height_mm": 297,
      "width_in": 8.2677,
      "height_in": 11.6929,
      "px_300dpi": [
        2480,
        3508
      ],
      "defined_in": "mm",
      "url": "https://printreadykit.com/paper-sizes/a4"
    },
    {
      "slug": "a5",
      "name": "A5",
      "series": "iso-a",
      "width_mm": 148,
      "height_mm": 210,
      "width_in": 5.8268,
      "height_in": 8.2677,
      "px_300dpi": [
        1748,
        2480
      ],
      "defined_in": "mm",
      "url": "https://printreadykit.com/paper-sizes/a5"
    },
    {
      "slug": "a6",
      "name": "A6",
      "series": "iso-a",
      "width_mm": 105,
      "height_mm": 148,
      "width_in": 4.1339,
      "height_in": 5.8268,
      "px_300dpi": [
        1240,
        1748
      ],
      "defined_in": "mm",
      "url": "https://printreadykit.com/paper-sizes/a6"
    },
    {
      "slug": "a7",
      "name": "A7",
      "series": "iso-a",
      "width_mm": 74,
      "height_mm": 105,
      "width_in": 2.9134,
      "height_in": 4.1339,
      "px_300dpi": [
        874,
        1240
      ],
      "defined_in": "mm"
    },
    {
      "slug": "a8",
      "name": "A8",
      "series": "iso-a",
      "width_mm": 52,
      "height_mm": 74,
      "width_in": 2.0472,
      "height_in": 2.9134,
      "px_300dpi": [
        614,
        874
      ],
      "defined_in": "mm"
    },
    {
      "slug": "a9",
      "name": "A9",
      "series": "iso-a",
      "width_mm": 37,
      "height_mm": 52,
      "width_in": 1.4567,
      "height_in": 2.0472,
      "px_300dpi": [
        437,
        614
      ],
      "defined_in": "mm"
    },
    {
      "slug": "a10",
      "name": "A10",
      "series": "iso-a",
      "width_mm": 26,
      "height_mm": 37,
      "width_in": 1.0236,
      "height_in": 1.4567,
      "px_300dpi": [
        307,
        437
      ],
      "defined_in": "mm"
    },
    {
      "slug": "b0",
      "name": "B0",
      "series": "iso-b",
      "width_mm": 1000,
      "height_mm": 1414,
      "width_in": 39.3701,
      "height_in": 55.6693,
      "px_300dpi": [
        11811,
        16701
      ],
      "defined_in": "mm"
    },
    {
      "slug": "b1",
      "name": "B1",
      "series": "iso-b",
      "width_mm": 707,
      "height_mm": 1000,
      "width_in": 27.8346,
      "height_in": 39.3701,
      "px_300dpi": [
        8350,
        11811
      ],
      "defined_in": "mm",
      "note": "Common large-poster size"
    },
    {
      "slug": "b2",
      "name": "B2",
      "series": "iso-b",
      "width_mm": 500,
      "height_mm": 707,
      "width_in": 19.685,
      "height_in": 27.8346,
      "px_300dpi": [
        5906,
        8350
      ],
      "defined_in": "mm"
    },
    {
      "slug": "b3",
      "name": "B3",
      "series": "iso-b",
      "width_mm": 353,
      "height_mm": 500,
      "width_in": 13.8976,
      "height_in": 19.685,
      "px_300dpi": [
        4169,
        5906
      ],
      "defined_in": "mm"
    },
    {
      "slug": "b4",
      "name": "B4",
      "series": "iso-b",
      "width_mm": 250,
      "height_mm": 353,
      "width_in": 9.8425,
      "height_in": 13.8976,
      "px_300dpi": [
        2953,
        4169
      ],
      "defined_in": "mm"
    },
    {
      "slug": "b5",
      "name": "B5",
      "series": "iso-b",
      "width_mm": 176,
      "height_mm": 250,
      "width_in": 6.9291,
      "height_in": 9.8425,
      "px_300dpi": [
        2079,
        2953
      ],
      "defined_in": "mm",
      "note": "Common book trim size"
    },
    {
      "slug": "b6",
      "name": "B6",
      "series": "iso-b",
      "width_mm": 125,
      "height_mm": 176,
      "width_in": 4.9213,
      "height_in": 6.9291,
      "px_300dpi": [
        1476,
        2079
      ],
      "defined_in": "mm"
    },
    {
      "slug": "b7",
      "name": "B7",
      "series": "iso-b",
      "width_mm": 88,
      "height_mm": 125,
      "width_in": 3.4646,
      "height_in": 4.9213,
      "px_300dpi": [
        1039,
        1476
      ],
      "defined_in": "mm"
    },
    {
      "slug": "b8",
      "name": "B8",
      "series": "iso-b",
      "width_mm": 62,
      "height_mm": 88,
      "width_in": 2.4409,
      "height_in": 3.4646,
      "px_300dpi": [
        732,
        1039
      ],
      "defined_in": "mm"
    },
    {
      "slug": "b9",
      "name": "B9",
      "series": "iso-b",
      "width_mm": 44,
      "height_mm": 62,
      "width_in": 1.7323,
      "height_in": 2.4409,
      "px_300dpi": [
        520,
        732
      ],
      "defined_in": "mm"
    },
    {
      "slug": "b10",
      "name": "B10",
      "series": "iso-b",
      "width_mm": 31,
      "height_mm": 44,
      "width_in": 1.2205,
      "height_in": 1.7323,
      "px_300dpi": [
        366,
        520
      ],
      "defined_in": "mm"
    },
    {
      "slug": "c0",
      "name": "C0",
      "series": "iso-c",
      "width_mm": 917,
      "height_mm": 1297,
      "width_in": 36.1024,
      "height_in": 51.063,
      "px_300dpi": [
        10831,
        15319
      ],
      "defined_in": "mm"
    },
    {
      "slug": "c1",
      "name": "C1",
      "series": "iso-c",
      "width_mm": 648,
      "height_mm": 917,
      "width_in": 25.5118,
      "height_in": 36.1024,
      "px_300dpi": [
        7654,
        10831
      ],
      "defined_in": "mm"
    },
    {
      "slug": "c2",
      "name": "C2",
      "series": "iso-c",
      "width_mm": 458,
      "height_mm": 648,
      "width_in": 18.0315,
      "height_in": 25.5118,
      "px_300dpi": [
        5409,
        7654
      ],
      "defined_in": "mm"
    },
    {
      "slug": "c3",
      "name": "C3",
      "series": "iso-c",
      "width_mm": 324,
      "height_mm": 458,
      "width_in": 12.7559,
      "height_in": 18.0315,
      "px_300dpi": [
        3827,
        5409
      ],
      "defined_in": "mm"
    },
    {
      "slug": "c4",
      "name": "C4",
      "series": "iso-c",
      "width_mm": 229,
      "height_mm": 324,
      "width_in": 9.0157,
      "height_in": 12.7559,
      "px_300dpi": [
        2705,
        3827
      ],
      "defined_in": "mm",
      "note": "Takes A4 flat"
    },
    {
      "slug": "c5",
      "name": "C5",
      "series": "iso-c",
      "width_mm": 162,
      "height_mm": 229,
      "width_in": 6.378,
      "height_in": 9.0157,
      "px_300dpi": [
        1913,
        2705
      ],
      "defined_in": "mm",
      "note": "A4 folded once / A5 flat",
      "url": "https://printreadykit.com/envelope-templates/c5-envelope"
    },
    {
      "slug": "c6",
      "name": "C6",
      "series": "iso-c",
      "width_mm": 114,
      "height_mm": 162,
      "width_in": 4.4882,
      "height_in": 6.378,
      "px_300dpi": [
        1346,
        1913
      ],
      "defined_in": "mm",
      "note": "A6 flat — greeting cards",
      "url": "https://printreadykit.com/envelope-templates/c6-envelope"
    },
    {
      "slug": "c7",
      "name": "C7",
      "series": "iso-c",
      "width_mm": 81,
      "height_mm": 114,
      "width_in": 3.189,
      "height_in": 4.4882,
      "px_300dpi": [
        957,
        1346
      ],
      "defined_in": "mm"
    },
    {
      "slug": "dl",
      "name": "DL",
      "series": "iso-c",
      "width_mm": 110,
      "height_mm": 220,
      "width_in": 4.3307,
      "height_in": 8.6614,
      "px_300dpi": [
        1299,
        2598
      ],
      "defined_in": "mm",
      "note": "Business envelope — not a C-size, listed with the family it serves",
      "url": "https://printreadykit.com/envelope-templates/dl-envelope"
    },
    {
      "slug": "us-letter",
      "name": "US Letter",
      "series": "us",
      "width_mm": 215.9,
      "height_mm": 279.4,
      "width_in": 8.5,
      "height_in": 11,
      "px_300dpi": [
        2550,
        3300
      ],
      "defined_in": "in",
      "url": "https://printreadykit.com/paper-sizes/us-letter"
    },
    {
      "slug": "us-legal",
      "name": "US Legal",
      "series": "us",
      "width_mm": 215.9,
      "height_mm": 355.6,
      "width_in": 8.5,
      "height_in": 14,
      "px_300dpi": [
        2550,
        4200
      ],
      "defined_in": "in",
      "url": "https://printreadykit.com/paper-sizes/legal"
    },
    {
      "slug": "tabloid",
      "name": "Tabloid / Ledger",
      "series": "us",
      "width_mm": 279.4,
      "height_mm": 431.8,
      "width_in": 11,
      "height_in": 17,
      "px_300dpi": [
        3300,
        5100
      ],
      "defined_in": "in",
      "note": "Ledger = same sheet, landscape",
      "url": "https://printreadykit.com/paper-sizes/tabloid"
    },
    {
      "slug": "half-letter",
      "name": "Half Letter",
      "series": "us",
      "width_mm": 139.7,
      "height_mm": 215.9,
      "width_in": 5.5,
      "height_in": 8.5,
      "px_300dpi": [
        1650,
        2550
      ],
      "defined_in": "in",
      "note": "US planner size"
    },
    {
      "slug": "executive",
      "name": "Executive",
      "series": "us",
      "width_mm": 184.15,
      "height_mm": 266.7,
      "width_in": 7.25,
      "height_in": 10.5,
      "px_300dpi": [
        2175,
        3150
      ],
      "defined_in": "in"
    },
    {
      "slug": "gov-letter",
      "name": "Government Letter",
      "series": "us",
      "width_mm": 203.2,
      "height_mm": 266.7,
      "width_in": 8,
      "height_in": 10.5,
      "px_300dpi": [
        2400,
        3150
      ],
      "defined_in": "in",
      "note": "Pre-1980s US federal size"
    },
    {
      "slug": "junior-legal",
      "name": "Junior Legal",
      "series": "us",
      "width_mm": 127,
      "height_mm": 203.2,
      "width_in": 5,
      "height_in": 8,
      "px_300dpi": [
        1500,
        2400
      ],
      "defined_in": "in"
    },
    {
      "slug": "ansi-a",
      "name": "ANSI A",
      "series": "ansi",
      "width_mm": 215.9,
      "height_mm": 279.4,
      "width_in": 8.5,
      "height_in": 11,
      "px_300dpi": [
        2550,
        3300
      ],
      "defined_in": "in",
      "note": "= US Letter"
    },
    {
      "slug": "ansi-b",
      "name": "ANSI B",
      "series": "ansi",
      "width_mm": 279.4,
      "height_mm": 431.8,
      "width_in": 11,
      "height_in": 17,
      "px_300dpi": [
        3300,
        5100
      ],
      "defined_in": "in",
      "note": "= Tabloid"
    },
    {
      "slug": "ansi-c",
      "name": "ANSI C",
      "series": "ansi",
      "width_mm": 431.8,
      "height_mm": 558.8,
      "width_in": 17,
      "height_in": 22,
      "px_300dpi": [
        5100,
        6600
      ],
      "defined_in": "in"
    },
    {
      "slug": "ansi-d",
      "name": "ANSI D",
      "series": "ansi",
      "width_mm": 558.8,
      "height_mm": 863.6,
      "width_in": 22,
      "height_in": 34,
      "px_300dpi": [
        6600,
        10200
      ],
      "defined_in": "in"
    },
    {
      "slug": "ansi-e",
      "name": "ANSI E",
      "series": "ansi",
      "width_mm": 863.6,
      "height_mm": 1117.6,
      "width_in": 34,
      "height_in": 44,
      "px_300dpi": [
        10200,
        13200
      ],
      "defined_in": "in"
    },
    {
      "slug": "arch-a",
      "name": "ARCH A",
      "series": "arch",
      "width_mm": 228.6,
      "height_mm": 304.8,
      "width_in": 9,
      "height_in": 12,
      "px_300dpi": [
        2700,
        3600
      ],
      "defined_in": "in"
    },
    {
      "slug": "arch-b",
      "name": "ARCH B",
      "series": "arch",
      "width_mm": 304.8,
      "height_mm": 457.2,
      "width_in": 12,
      "height_in": 18,
      "px_300dpi": [
        3600,
        5400
      ],
      "defined_in": "in",
      "note": "Not the same as ANSI B"
    },
    {
      "slug": "arch-c",
      "name": "ARCH C",
      "series": "arch",
      "width_mm": 457.2,
      "height_mm": 609.6,
      "width_in": 18,
      "height_in": 24,
      "px_300dpi": [
        5400,
        7200
      ],
      "defined_in": "in"
    },
    {
      "slug": "arch-d",
      "name": "ARCH D",
      "series": "arch",
      "width_mm": 609.6,
      "height_mm": 914.4,
      "width_in": 24,
      "height_in": 36,
      "px_300dpi": [
        7200,
        10800
      ],
      "defined_in": "in",
      "note": "The standard US poster/frame size"
    },
    {
      "slug": "arch-e",
      "name": "ARCH E",
      "series": "arch",
      "width_mm": 914.4,
      "height_mm": 1219.2,
      "width_in": 36,
      "height_in": 48,
      "px_300dpi": [
        10800,
        14400
      ],
      "defined_in": "in"
    }
  ]
}