{
 "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": "emt-conduit",
 "name": "EMT conduit sizes: 1/2 to 2 in OD and wall (ANSI C80.3)",
 "kind": "standard",
 "category": "Hardware",
 "group": "Pipe & fittings",
 "year": null,
 "question": "What is the outside diameter of 1/2 inch EMT conduit?",
 "tags": [
  "conduit",
  "emt",
  "electrical"
 ],
 "aliases": [
  "emt conduit od",
  "1/2 emt outside diameter",
  "emt dimensions chart",
  "3/4 emt od"
 ],
 "overall_mm": {
  "length": null,
  "width": null,
  "height": null
 },
 "official_cad": false,
 "xem_status": "free-files",
 "les": false,
 "free_files": 24,
 "url": "https://xemstudio.com/objects/emt-conduit/",
 "sheet_txt": "https://xemstudio.com/objects/emt-conduit/sheet.txt",
 "sheet": {
  "basis": "ANSI C80.3 electrical metallic tubing: outside diameter and nominal wall",
  "overall_mm": {
   "length": null,
   "width": null,
   "height": null
  },
  "notes": [
   "10 ft sticks and 12, 24, 36 in cuts; couplings and fittings not drawn."
  ],
  "table": {
   "columns": [
    "trade_size",
    "od_in",
    "wall_in",
    "od_mm",
    "id_mm"
   ],
   "rows": [
    [
     "1/2",
     0.706,
     0.042,
     17.93,
     15.8
    ],
    [
     "3/4",
     0.922,
     0.049,
     23.42,
     20.93
    ],
    [
     "1",
     1.163,
     0.057,
     29.54,
     26.64
    ],
    [
     "1-1/4",
     1.51,
     0.065,
     38.35,
     35.05
    ],
    [
     "1-1/2",
     1.74,
     0.065,
     44.2,
     40.89
    ],
    [
     "2",
     2.197,
     0.065,
     55.8,
     52.5
    ]
   ]
  }
 },
 "sheet_text": "EMT conduit sizes: 1/2 to 2 in OD and wall (ANSI C80.3) — dimension sheet\nSource: Xem Studio, https://xemstudio.com/objects/emt-conduit/  (CC BY 4.0)\nBasis: ANSI C80.3 electrical metallic tubing: outside diameter and nominal wall\nCatalog version: 2026-10-20\n\nSizes: see table below\n- 10 ft sticks and 12, 24, 36 in cuts; couplings and fittings not drawn.\n\ntrade_size  od_in  wall_in  od_mm  id_mm\n1/2  0.706  0.042  17.93  15.8\n3/4  0.922  0.049  23.42  20.93\n1  1.163  0.057  29.54  26.64\n1-1/4  1.51  0.065  38.35  35.05\n1-1/2  1.74  0.065  44.2  40.89\n2  2.197  0.065  55.8  52.5\n\nFiles elsewhere (not hosted by Xem Studio; license as stated by the publisher):\n- NEMA: ANSI C80.3 Steel electrical metallic tubing (EMT) — standard — NEMA; dimensions are facts [verify license at link] — https://www.nema.org/\n\nFree files (CC BY 4.0, Xem Studio; STEP + STL, 24 parts): https://xemstudio.com/files/hardware/emt-conduit/index.json\nAPI: https://xemstudio.com/api/geometry?object=emt-conduit\n",
 "sources": [
  {
   "publisher": "NEMA",
   "title": "ANSI C80.3 Steel electrical metallic tubing (EMT)",
   "url": "https://www.nema.org/",
   "formats": [
    "standard"
   ],
   "license": "NEMA; dimensions are facts",
   "license_verified": false,
   "hosted": false
  }
 ],
 "xem": {
  "status": "free-files",
  "sheet_free": true,
  "mesh_price_usd": null,
  "step_price_usd": null,
  "tolerance_mm": null
 },
 "related": [
  "schedule-40-pipe",
  "t-slot-outlet-raceway"
 ],
 "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": "1/2 in EMT OD?",
   "a": "0.706 in (17.93 mm)."
  }
 ],
 "files_license": null,
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   "stl": "https://xemstudio.com/files/hardware/emt-conduit/emt-1-2in-12in.stl",
   "note": "1/2 in EMT, 12in: OD 0.706 in × 0.042 in wall (17.93 × 1.07 mm)"
  },
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   "file": "emt-1-2in-24in",
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   "stl": "https://xemstudio.com/files/hardware/emt-conduit/emt-1-2in-24in.stl",
   "note": "1/2 in EMT, 24in: OD 0.706 in × 0.042 in wall (17.93 × 1.07 mm)"
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  {
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   "note": "1/2 in EMT, 36in: OD 0.706 in × 0.042 in wall (17.93 × 1.07 mm)"
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   "note": "1/2 in EMT, 10ft: OD 0.706 in × 0.042 in wall (17.93 × 1.07 mm)"
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   "note": "3/4 in EMT, 12in: OD 0.922 in × 0.049 in wall (23.42 × 1.24 mm)"
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   "note": "3/4 in EMT, 24in: OD 0.922 in × 0.049 in wall (23.42 × 1.24 mm)"
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   "note": "3/4 in EMT, 36in: OD 0.922 in × 0.049 in wall (23.42 × 1.24 mm)"
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   "note": "3/4 in EMT, 10ft: OD 0.922 in × 0.049 in wall (23.42 × 1.24 mm)"
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   "stl": "https://xemstudio.com/files/hardware/emt-conduit/emt-1in-12in.stl",
   "note": "1 in EMT, 12in: OD 1.163 in × 0.057 in wall (29.54 × 1.45 mm)"
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   "note": "1 in EMT, 24in: OD 1.163 in × 0.057 in wall (29.54 × 1.45 mm)"
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   "note": "1 in EMT, 36in: OD 1.163 in × 0.057 in wall (29.54 × 1.45 mm)"
  },
  {
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   "note": "1 in EMT, 10ft: OD 1.163 in × 0.057 in wall (29.54 × 1.45 mm)"
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   "note": "1-1/4 in EMT, 12in: OD 1.51 in × 0.065 in wall (38.35 × 1.65 mm)"
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   "stl": "https://xemstudio.com/files/hardware/emt-conduit/emt-1-1-4in-24in.stl",
   "note": "1-1/4 in EMT, 24in: OD 1.51 in × 0.065 in wall (38.35 × 1.65 mm)"
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   "note": "1-1/4 in EMT, 36in: OD 1.51 in × 0.065 in wall (38.35 × 1.65 mm)"
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   "stl": "https://xemstudio.com/files/hardware/emt-conduit/emt-1-1-4in-10ft.stl",
   "note": "1-1/4 in EMT, 10ft: OD 1.51 in × 0.065 in wall (38.35 × 1.65 mm)"
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   "file": "emt-1-1-2in-12in",
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   "license": "CC BY 4.0 (Xem Studio)",
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   "stl": "https://xemstudio.com/files/hardware/emt-conduit/emt-1-1-2in-12in.stl",
   "note": "1-1/2 in EMT, 12in: OD 1.74 in × 0.065 in wall (44.20 × 1.65 mm)"
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   "stl": "https://xemstudio.com/files/hardware/emt-conduit/emt-1-1-2in-24in.stl",
   "note": "1-1/2 in EMT, 24in: OD 1.74 in × 0.065 in wall (44.20 × 1.65 mm)"
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   "stl": "https://xemstudio.com/files/hardware/emt-conduit/emt-1-1-2in-36in.stl",
   "note": "1-1/2 in EMT, 36in: OD 1.74 in × 0.065 in wall (44.20 × 1.65 mm)"
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   "note": "1-1/2 in EMT, 10ft: OD 1.74 in × 0.065 in wall (44.20 × 1.65 mm)"
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   "note": "2 in EMT, 12in: OD 2.197 in × 0.065 in wall (55.80 × 1.65 mm)"
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   "note": "2 in EMT, 24in: OD 2.197 in × 0.065 in wall (55.80 × 1.65 mm)"
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   "note": "2 in EMT, 36in: OD 2.197 in × 0.065 in wall (55.80 × 1.65 mm)"
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   "note": "2 in EMT, 10ft: OD 2.197 in × 0.065 in wall (55.80 × 1.65 mm)"
  }
 ],
 "markdown": "https://xemstudio.com/objects/emt-conduit/index.md"
}