{
 "version": "2026-10-20",
 "license": "Dimension sheets are written by Xem Studio from the cited sources and are free to use (CC BY 4.0, attribute 'Xem Studio'). Linked files belong to their publishers under the license shown; Xem Studio does not host them. 'license_verified: false' means the license shown is from memory or the publisher's page as last read and should be confirmed at the link before commercial use.",
 "slug": "ikea-billy",
 "name": "IKEA BILLY bookcase dimensions (80 and 40 wide, 202 and 106 tall) and shelf sizes",
 "kind": "modern",
 "category": "Everyday objects",
 "group": "IKEA furniture",
 "year": null,
 "question": "What are the IKEA BILLY bookcase and shelf dimensions?",
 "tags": [
  "ikea",
  "billy",
  "bookcase",
  "shelf"
 ],
 "aliases": [
  "billy dimensions",
  "billy shelf size",
  "billy bookcase measurements",
  "billy shelf pin size",
  "medidas billy"
 ],
 "overall_mm": {
  "length": null,
  "width": null,
  "height": null
 },
 "official_cad": true,
 "xem_status": "not-scanned",
 "les": false,
 "free_files": 0,
 "url": "https://xemstudio.com/objects/ikea-billy/",
 "sheet_txt": "https://xemstudio.com/objects/ikea-billy/sheet.txt",
 "sheet": {
  "basis": "IKEA product pages (measurements section)",
  "overall_mm": {
   "length": null,
   "width": null,
   "height": null
  },
  "notes": [
   "All BILLY are 280 mm deep. Shelves are 20 mm thick, 260 deep: 760 long for the 80 cm case, 360 for the 40 cm case.",
   "Shelves sold now do not fit bookcases bought in spring 2014 or earlier (IKEA's note).",
   "Shelf-pin holes: owners report 5 mm holes on a 32 mm vertical pitch (the common 32 mm system); IKEA does not publish them. The 5 mm pins on this site fit them.",
   "Load per shelf: 30 kg (80 wide), 14 kg (40 wide)."
  ],
  "table": {
   "columns": [
    "part",
    "width_mm",
    "depth_mm",
    "height_mm"
   ],
   "rows": [
    [
     "BILLY 80 × 28 × 202",
     800,
     280,
     2020
    ],
    [
     "BILLY 40 × 28 × 202",
     400,
     280,
     2020
    ],
    [
     "BILLY 80 × 28 × 106",
     800,
     280,
     1060
    ],
    [
     "BILLY 40 × 28 × 106",
     400,
     280,
     1060
    ],
    [
     "shelf for 80 wide (20 thick)",
     760,
     260,
     20
    ],
    [
     "shelf for 40 wide (20 thick)",
     360,
     260,
     20
    ]
   ]
  }
 },
 "sheet_text": "IKEA BILLY bookcase dimensions (80 and 40 wide, 202 and 106 tall) and shelf sizes — dimension sheet\nSource: Xem Studio, https://xemstudio.com/objects/ikea-billy/  (CC BY 4.0)\nBasis: IKEA product pages (measurements section)\nCatalog version: 2026-10-20\n\nSizes: see table below\n- All BILLY are 280 mm deep. Shelves are 20 mm thick, 260 deep: 760 long for the 80 cm case, 360 for the 40 cm case.\n- Shelves sold now do not fit bookcases bought in spring 2014 or earlier (IKEA's note).\n- Shelf-pin holes: owners report 5 mm holes on a 32 mm vertical pitch (the common 32 mm system); IKEA does not publish them. The 5 mm pins on this site fit them.\n- Load per shelf: 30 kg (80 wide), 14 kg (40 wide).\n\npart  width_mm  depth_mm  height_mm\nBILLY 80 × 28 × 202  800  280  2020\nBILLY 40 × 28 × 202  400  280  2020\nBILLY 80 × 28 × 106  800  280  1060\nBILLY 40 × 28 × 106  400  280  1060\nshelf for 80 wide (20 thick)  760  260  20\nshelf for 40 wide (20 thick)  360  260  20\n\nFiles elsewhere (not hosted by Xem Studio; license as stated by the publisher):\n- IKEA (official product page): BILLY 80x28x202 — web — Manufacturer product page; dimensions are facts — https://www.ikea.com/mx/en/p/billy-bookcase-white-20522046/\n- IKEA (official product page): BILLY 40x28x202 — web — Manufacturer product page; dimensions are facts — https://www.ikea.com/ae/en/p/billy-bookcase-white-50522040/\n- IKEA (official product page): BILLY 80x28x106 — web — Manufacturer product page; dimensions are facts — https://www.ikea.com/my/en/p/billy-bookcase-white-70522044/\n- IKEA (official product page): BILLY 40x28x106 — web — Manufacturer product page; dimensions are facts — https://www.ikea.com/in/en/p/billy-bookcase-white-90522038/\n- IKEA (official product page): BILLY shelf 76x26 — web — Manufacturer product page; dimensions are facts — https://www.ikea.com/mx/en/p/billy-shelf-white-10525272/\n- IKEA (official product page): BILLY shelf 36x26 — web — Manufacturer product page; dimensions are facts — https://www.ikea.com/my/en/p/billy-shelf-white-50525270/\n- Hausbau-Forum (owner report): BILLY shelf pins: 5 mm holes, 32 mm pitch — web — Publisher's page; dimensions are facts — https://www.hausbau-forum.de/en/threads/billy-ikea-shelf-board-pencils-for-shelf-boards-wanted.23480\n\nXem Studio scan: not planned; the official CAD above covers it.\nAPI: https://xemstudio.com/api/geometry?object=ikea-billy\n",
 "sources": [
  {
   "publisher": "IKEA (official product page)",
   "title": "BILLY 80x28x202",
   "url": "https://www.ikea.com/mx/en/p/billy-bookcase-white-20522046/",
   "formats": [
    "web"
   ],
   "license": "Manufacturer product page; dimensions are facts",
   "license_verified": true,
   "hosted": false
  },
  {
   "publisher": "IKEA (official product page)",
   "title": "BILLY 40x28x202",
   "url": "https://www.ikea.com/ae/en/p/billy-bookcase-white-50522040/",
   "formats": [
    "web"
   ],
   "license": "Manufacturer product page; dimensions are facts",
   "license_verified": true,
   "hosted": false
  },
  {
   "publisher": "IKEA (official product page)",
   "title": "BILLY 80x28x106",
   "url": "https://www.ikea.com/my/en/p/billy-bookcase-white-70522044/",
   "formats": [
    "web"
   ],
   "license": "Manufacturer product page; dimensions are facts",
   "license_verified": true,
   "hosted": false
  },
  {
   "publisher": "IKEA (official product page)",
   "title": "BILLY 40x28x106",
   "url": "https://www.ikea.com/in/en/p/billy-bookcase-white-90522038/",
   "formats": [
    "web"
   ],
   "license": "Manufacturer product page; dimensions are facts",
   "license_verified": true,
   "hosted": false
  },
  {
   "publisher": "IKEA (official product page)",
   "title": "BILLY shelf 76x26",
   "url": "https://www.ikea.com/mx/en/p/billy-shelf-white-10525272/",
   "formats": [
    "web"
   ],
   "license": "Manufacturer product page; dimensions are facts",
   "license_verified": true,
   "hosted": false
  },
  {
   "publisher": "IKEA (official product page)",
   "title": "BILLY shelf 36x26",
   "url": "https://www.ikea.com/my/en/p/billy-shelf-white-50525270/",
   "formats": [
    "web"
   ],
   "license": "Manufacturer product page; dimensions are facts",
   "license_verified": true,
   "hosted": false
  },
  {
   "publisher": "Hausbau-Forum (owner report)",
   "title": "BILLY shelf pins: 5 mm holes, 32 mm pitch",
   "url": "https://www.hausbau-forum.de/en/threads/billy-ikea-shelf-board-pencils-for-shelf-boards-wanted.23480",
   "formats": [
    "web"
   ],
   "license": "Publisher's page; dimensions are facts",
   "license_verified": true,
   "hosted": false
  }
 ],
 "xem": {
  "status": "not-scanned",
  "sheet_free": true,
  "mesh_price_usd": null,
  "step_price_usd": null,
  "tolerance_mm": null
 },
 "related": [
  "shelf-pins-5mm",
  "ikea-kallax",
  "ikea-ivar"
 ],
 "fits": [],
 "dimensions": "exact (nominal, no printing tolerance)",
 "dimension_rule": "All geometry on Xem Studio is exact (nominal, true size) with no printing tolerance. Where a part meets another part, the object lists its mating features (feature, exact size, what it mates with, fit class: press, slide, run, socket, clamp or designed). Apply your process's allowance to those features only; 'designed' gaps are part of the design and stay as drawn.",
 "mating": [],
 "faq": [
  {
   "q": "What size shelf pins does BILLY use?",
   "a": "5 mm holes on a 32 mm pitch, as owners measure them; see 5 mm shelf pins (free STL)."
  }
 ],
 "files_license": null,
 "offers": [],
 "markdown": "https://xemstudio.com/objects/ikea-billy/index.md"
}