{
 "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": "cookware-lids-and-pans",
 "name": "Pot and pan lid sizes: how cookware is measured, lid knob M5 screw, replacement knob STL",
 "kind": "standard",
 "category": "Everyday objects",
 "group": "Kitchen",
 "year": null,
 "question": "What size lid fits my pan?",
 "tags": [
  "cookware",
  "lid",
  "pan",
  "pot",
  "kitchen",
  "knob"
 ],
 "aliases": [
  "pot lid sizes",
  "frying pan sizes",
  "lid knob replacement",
  "pan size chart",
  "lid organizer size"
 ],
 "overall_mm": {
  "length": null,
  "width": null,
  "height": null
 },
 "official_cad": false,
 "xem_status": "free-files",
 "les": false,
 "free_files": 2,
 "url": "https://xemstudio.com/objects/cookware-lids-and-pans/",
 "sheet_txt": "https://xemstudio.com/objects/cookware-lids-and-pans/sheet.txt",
 "sheet": {
  "basis": "Cookware maker's sizing guide (rim measurement, reference sizes); lid knob thread as listed by a replacement-knob seller; knob is a Xem Studio design",
  "overall_mm": {
   "length": null,
   "width": null,
   "height": null
  },
  "notes": [
   "Pans and pots are sized by the top rim, wall top to wall top, rounded down: a '12 in' pan measures between 12 and 13 in. Measure your rim before buying a lid; the cooking surface is much smaller.",
   "Lids sit on or just inside the rim: a lid holder or rack slot for a nominal 28 cm lid wants about 290–300 mm of clearance.",
   "Lid knobs: replacement knobs are commonly sold with an M5 screw (M5 × 24 listed) that goes up through the lid. The printed knobs here take that screw into an M5 nut in a top pocket; use a heat-resistant filament (PETG is marginal near a hot lid, ASA/PC better) or keep them for cold-storage lids."
  ],
  "table": {
   "columns": [
    "nominal",
    "rim_in",
    "rim_mm",
    "cooking_surface_in"
   ],
   "rows": [
    [
     "6 in",
     6.84,
     173.7,
     4.72
    ],
    [
     "8 in",
     8.5,
     215.9,
     5
    ],
    [
     "10 in",
     10.5,
     266.7,
     7.5
    ],
    [
     "12 in",
     12.5,
     317.5,
     9.5
    ],
    [
     "14 in",
     14,
     355.6,
     12.5
    ]
   ]
  }
 },
 "sheet_text": "Pot and pan lid sizes: how cookware is measured, lid knob M5 screw, replacement knob STL — dimension sheet\nSource: Xem Studio, https://xemstudio.com/objects/cookware-lids-and-pans/  (CC BY 4.0)\nBasis: Cookware maker's sizing guide (rim measurement, reference sizes); lid knob thread as listed by a replacement-knob seller; knob is a Xem Studio design\nCatalog version: 2026-10-20\n\nSizes: see table below\n- Pans and pots are sized by the top rim, wall top to wall top, rounded down: a '12 in' pan measures between 12 and 13 in. Measure your rim before buying a lid; the cooking surface is much smaller.\n- Lids sit on or just inside the rim: a lid holder or rack slot for a nominal 28 cm lid wants about 290–300 mm of clearance.\n- Lid knobs: replacement knobs are commonly sold with an M5 screw (M5 × 24 listed) that goes up through the lid. The printed knobs here take that screw into an M5 nut in a top pocket; use a heat-resistant filament (PETG is marginal near a hot lid, ASA/PC better) or keep them for cold-storage lids.\n\nnominal  rim_in  rim_mm  cooking_surface_in\n6 in  6.84  173.7  4.72\n8 in  8.5  215.9  5.0\n10 in  10.5  266.7  7.5\n12 in  12.5  317.5  9.5\n14 in  14.0  355.6  12.5\n\nFiles elsewhere (not hosted by Xem Studio; license as stated by the publisher):\n- Made In Cookware: Frying pan sizes: how they are measured — web — Publisher's page; dimensions are facts — https://madeincookware.com/blogs/frying-pan-sizes\n- Replacement knob listing (Walmart): Pot lid knob, M5 × 24 screw, Ø57 — web — Publisher's page; dimensions are facts — https://www.walmart.com/ip/383983328\n\nFree files (CC BY 4.0, Xem Studio; STEP + STL, 2 parts): https://xemstudio.com/files/hardware/cookware-lids-and-pans/index.json\nAPI: https://xemstudio.com/api/geometry?object=cookware-lids-and-pans\n",
 "sources": [
  {
   "publisher": "Made In Cookware",
   "title": "Frying pan sizes: how they are measured",
   "url": "https://madeincookware.com/blogs/frying-pan-sizes",
   "formats": [
    "web"
   ],
   "license": "Publisher's page; dimensions are facts",
   "license_verified": true,
   "hosted": false
  },
  {
   "publisher": "Replacement knob listing (Walmart)",
   "title": "Pot lid knob, M5 × 24 screw, Ø57",
   "url": "https://www.walmart.com/ip/383983328",
   "formats": [
    "web"
   ],
   "license": "Publisher's page; dimensions are facts",
   "license_verified": true,
   "hosted": false
  }
 ],
 "xem": {
  "status": "free-files",
  "sheet_free": true,
  "mesh_price_usd": null,
  "step_price_usd": null,
  "tolerance_mm": null
 },
 "related": [
  "k-cup-pods",
  "tea-bag-envelopes",
  "pegboard-standard"
 ],
 "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": "How are frying pans measured?",
   "a": "Across the top rim, wall top to wall top, rounded down to the nominal size."
  },
  {
   "q": "What screw holds a pot lid knob?",
   "a": "Replacement knobs are commonly M5 (M5 × 24 listed)."
  }
 ],
 "files_license": null,
 "offers": [
  {
   "file": "lid-knob-m5-35mm",
   "formats": [
    "step",
    "stl"
   ],
   "price_usd": 0,
   "license": "CC BY 4.0 (Xem Studio)",
   "step": "https://xemstudio.com/files/hardware/cookware-lids-and-pans/lid-knob-m5-35mm.step",
   "stl": "https://xemstudio.com/files/hardware/cookware-lids-and-pans/lid-knob-m5-35mm.stl",
   "note": "Replacement pot-lid knob Ø35, M5 screw from inside the lid into an M5 nut in the knob's top pocket"
  },
  {
   "file": "lid-knob-m5-45mm",
   "formats": [
    "step",
    "stl"
   ],
   "price_usd": 0,
   "license": "CC BY 4.0 (Xem Studio)",
   "step": "https://xemstudio.com/files/hardware/cookware-lids-and-pans/lid-knob-m5-45mm.step",
   "stl": "https://xemstudio.com/files/hardware/cookware-lids-and-pans/lid-knob-m5-45mm.stl",
   "note": "Replacement pot-lid knob Ø45, M5 screw from inside the lid into an M5 nut in the knob's top pocket"
  }
 ],
 "markdown": "https://xemstudio.com/objects/cookware-lids-and-pans/index.md"
}