{
 "version": "2026-10-20",
 "license": "Dimension sheets: CC BY 4.0. Standard and published-size files: CC BY 4.0. Xem Studio's own designs (files_license = Xem Studio Design License): free to use and sell things from, not to redistribute as files — https://xemstudio.com/license/. Other publishers' files: their own license, linked beside them.",
 "slug": "pvc-schedule-40-80-pipe-od-and-wall",
 "name": "PVC Schedule 40 and Schedule 80 pipe: OD, minimum wall and ID, 1/2 to 4 in",
 "kind": "standard",
 "category": "Tri-clamp & pipe",
 "group": "Pipe, tube & threads",
 "year": null,
 "question": "What are the OD, wall thickness and ID of Schedule 40 and Schedule 80 PVC pipe?",
 "tags": [
  "pvc",
  "pipe",
  "schedule 40",
  "schedule 80",
  "od",
  "wall",
  "id",
  "plumbing",
  "standard"
 ],
 "aliases": [
  "schedule 80 pvc pipe od",
  "sch 80 pvc wall thickness",
  "schedule 80 pvc dimensions",
  "pvc pipe wall thickness",
  "1 inch pvc id",
  "3/4 pvc pipe id",
  "pvc pipe od chart",
  "schedule 40 vs schedule 80 pvc",
  "2 inch pvc pipe id sch 80",
  "4 inch pvc pipe od",
  "pvc pipe size chart mm",
  "1/2 pvc sch 80 wall"
 ],
 "overall_mm": {
  "length": null,
  "width": null,
  "height": null
 },
 "official_cad": false,
 "xem_status": "not-scanned",
 "les": false,
 "free_files": 0,
 "url": "https://xemstudio.com/objects/pvc-schedule-40-80-pipe-od-and-wall/",
 "sheet_txt": "https://xemstudio.com/objects/pvc-schedule-40-80-pipe-od-and-wall/sheet.txt",
 "sheet": {
  "basis": "Westlake Pipe Sch 40 / Sch 80 table, JM Eagle spec sheet and McMaster-Carr Sch 80 pipe page agree; numbers only (Sch 40 pipe CAD on 'schedule-40-pipe')",
  "overall_mm": {
   "length": null,
   "width": null,
   "height": null
  },
  "notes": [
   "Schedule 40 and Schedule 80 PVC share the outside diameter (the steel NPS OD); only the wall differs, so both fit the same sockets and fittings. Sch 80 is thicker inward: 1/2 in has a 0.109 in wall in Sch 40 and 0.147 in in Sch 80.",
   "Sources: OD, minimum wall and ID from Westlake Pipe's Sch 40 / Sch 80 table; OD and minimum wall repeated by JM Eagle's spec sheet (Rev 12) for all nine sizes (equal); Sch 80 minimum wall and ID repeated by McMaster-Carr's Schedule 80 pipe page. In every row Westlake's ID equals OD minus twice the minimum wall (to 0.0015 in). The Sch 40 sizes 1/2 to 2 in match the existing 'schedule-40-pipe' page (OD 21.34 to 60.33 mm, walls 2.77 to 3.91 mm).",
   "Minimum wall, not nominal: real pipe is thicker and OD has a tolerance. The ID is a calculated value, not a control dimension.",
   "STEP/STL for Sch 40 pipe stubs (1/2 to 2 in) are on 'schedule-40-pipe'; no pipe files are repeated here. Left out: Sch 40 / 80 OD tolerances and sizes under 1/2 in and over 4 in (in the same tables, not asked), Schedule 120, and pressure ratings (differ by maker and temperature)."
  ],
  "table": {
   "columns": [
    "nominal pipe size, in",
    "OD, in (mm)",
    "Sch 40 min wall, in (mm)",
    "Sch 40 ID, in (mm)",
    "Sch 80 min wall, in (mm)",
    "Sch 80 ID, in (mm)"
   ],
   "rows": [
    [
     "1/2",
     "0.840 (21.34)",
     "0.109 (2.77)",
     "0.622 (15.80)",
     "0.147 (3.73)",
     "0.546 (13.87)"
    ],
    [
     "3/4",
     "1.050 (26.67)",
     "0.113 (2.87)",
     "0.824 (20.93)",
     "0.154 (3.91)",
     "0.742 (18.85)"
    ],
    [
     "1",
     "1.315 (33.40)",
     "0.133 (3.38)",
     "1.049 (26.64)",
     "0.179 (4.55)",
     "0.957 (24.31)"
    ],
    [
     "1-1/4",
     "1.660 (42.16)",
     "0.140 (3.56)",
     "1.380 (35.05)",
     "0.191 (4.85)",
     "1.278 (32.46)"
    ],
    [
     "1-1/2",
     "1.900 (48.26)",
     "0.145 (3.68)",
     "1.610 (40.89)",
     "0.200 (5.08)",
     "1.500 (38.10)"
    ],
    [
     "2",
     "2.375 (60.32)",
     "0.154 (3.91)",
     "2.067 (52.50)",
     "0.218 (5.54)",
     "1.939 (49.25)"
    ],
    [
     "2-1/2",
     "2.875 (73.02)",
     "0.203 (5.16)",
     "2.469 (62.71)",
     "0.276 (7.01)",
     "2.323 (59.00)"
    ],
    [
     "3",
     "3.500 (88.90)",
     "0.216 (5.49)",
     "3.068 (77.93)",
     "0.300 (7.62)",
     "2.900 (73.66)"
    ],
    [
     "4",
     "4.500 (114.30)",
     "0.237 (6.02)",
     "4.026 (102.26)",
     "0.337 (8.56)",
     "3.826 (97.18)"
    ]
   ]
  }
 },
 "sheet_text": "PVC Schedule 40 and Schedule 80 pipe: OD, minimum wall and ID, 1/2 to 4 in — dimension sheet\nSource: Xem Studio, https://xemstudio.com/objects/pvc-schedule-40-80-pipe-od-and-wall/  (sheet CC BY 4.0)\nBasis: Westlake Pipe Sch 40 / Sch 80 table, JM Eagle spec sheet and McMaster-Carr Sch 80 pipe page agree; numbers only (Sch 40 pipe CAD on 'schedule-40-pipe')\nCatalog version: 2026-10-20\n\nSizes: see table below\n- Schedule 40 and Schedule 80 PVC share the outside diameter (the steel NPS OD); only the wall differs, so both fit the same sockets and fittings. Sch 80 is thicker inward: 1/2 in has a 0.109 in wall in Sch 40 and 0.147 in in Sch 80.\n- Sources: OD, minimum wall and ID from Westlake Pipe's Sch 40 / Sch 80 table; OD and minimum wall repeated by JM Eagle's spec sheet (Rev 12) for all nine sizes (equal); Sch 80 minimum wall and ID repeated by McMaster-Carr's Schedule 80 pipe page. In every row Westlake's ID equals OD minus twice the minimum wall (to 0.0015 in). The Sch 40 sizes 1/2 to 2 in match the existing 'schedule-40-pipe' page (OD 21.34 to 60.33 mm, walls 2.77 to 3.91 mm).\n- Minimum wall, not nominal: real pipe is thicker and OD has a tolerance. The ID is a calculated value, not a control dimension.\n- STEP/STL for Sch 40 pipe stubs (1/2 to 2 in) are on 'schedule-40-pipe'; no pipe files are repeated here. Left out: Sch 40 / 80 OD tolerances and sizes under 1/2 in and over 4 in (in the same tables, not asked), Schedule 120, and pressure ratings (differ by maker and temperature).\n\nnominal pipe size, in  OD, in (mm)  Sch 40 min wall, in (mm)  Sch 40 ID, in (mm)  Sch 80 min wall, in (mm)  Sch 80 ID, in (mm)\n1/2  0.840 (21.34)  0.109 (2.77)  0.622 (15.80)  0.147 (3.73)  0.546 (13.87)\n3/4  1.050 (26.67)  0.113 (2.87)  0.824 (20.93)  0.154 (3.91)  0.742 (18.85)\n1  1.315 (33.40)  0.133 (3.38)  1.049 (26.64)  0.179 (4.55)  0.957 (24.31)\n1-1/4  1.660 (42.16)  0.140 (3.56)  1.380 (35.05)  0.191 (4.85)  1.278 (32.46)\n1-1/2  1.900 (48.26)  0.145 (3.68)  1.610 (40.89)  0.200 (5.08)  1.500 (38.10)\n2  2.375 (60.32)  0.154 (3.91)  2.067 (52.50)  0.218 (5.54)  1.939 (49.25)\n2-1/2  2.875 (73.02)  0.203 (5.16)  2.469 (62.71)  0.276 (7.01)  2.323 (59.00)\n3  3.500 (88.90)  0.216 (5.49)  3.068 (77.93)  0.300 (7.62)  2.900 (73.66)\n4  4.500 (114.30)  0.237 (6.02)  4.026 (102.26)  0.337 (8.56)  3.826 (97.18)\n\nFiles elsewhere (not hosted by Xem Studio; license as stated by the publisher):\n- Westlake Pipe: Sch 40 / Sch 80 pressure pipe: OD, minimum wall, ID, 1/2 to 18 in — web — Publisher's page; dimensions are facts — https://www.westlakepipe.com/sites/default/files/PL-PS-025-CA-EN-0522.1_Sch40-Sch80-Pressure-Pipe.pdf\n- JM Eagle: Pressure-rated PVC pipe spec sheet (Rev 12): Sch 40 and Sch 80 average OD and minimum wall — web — Publisher's page; dimensions are facts — https://assets.unilogcorp.com/187/ITEM/DOC/JM_Eagle_102368863_Specification_Sheet.pdf\n- McMaster-Carr: PVC (Schedule 80) pipe, unthreaded (free STEP/IGES per part, for your own design use; no redistribution) — STEP, IGES, PDF — McMaster-Carr site terms: personal design use, no redistribution [verify license at link] — https://www.mcmaster.com/pvc-(schedule-80)-dark-gray-unthreaded-pipe\n- McMaster-Carr: PVC (Schedule 80) pipe fittings (free STEP/IGES per part, for your own design use; no redistribution) — STEP, IGES, PDF — McMaster-Carr site terms: personal design use, no redistribution [verify license at link] — https://www.mcmaster.com/pvc-(schedule-80)-dark-gray-unthreaded-pipe-fittings\n- McMaster-Carr: PVC (Schedule 40) fittings and pipe, UV-resistant (socket-connect elbows, tees, couplings) (free STEP/IGES per part, for your own design use; no redistribution) — STEP, IGES, PDF — McMaster-Carr site terms: personal design use, no redistribution [verify license at link] — https://www.mcmaster.com/products/uv-resistant-pvc-(schedule-40)-pipe-fittings-and-pipe/\n\nNo true-size file yet: the published figures do not fix the whole shape; a measured scan is planned.\nAPI: https://xemstudio.com/api/geometry?object=pvc-schedule-40-80-pipe-od-and-wall\n",
 "sources": [
  {
   "publisher": "Westlake Pipe",
   "title": "Sch 40 / Sch 80 pressure pipe: OD, minimum wall, ID, 1/2 to 18 in",
   "url": "https://www.westlakepipe.com/sites/default/files/PL-PS-025-CA-EN-0522.1_Sch40-Sch80-Pressure-Pipe.pdf",
   "formats": [
    "web"
   ],
   "license": "Publisher's page; dimensions are facts",
   "license_verified": true,
   "hosted": false
  },
  {
   "publisher": "JM Eagle",
   "title": "Pressure-rated PVC pipe spec sheet (Rev 12): Sch 40 and Sch 80 average OD and minimum wall",
   "url": "https://assets.unilogcorp.com/187/ITEM/DOC/JM_Eagle_102368863_Specification_Sheet.pdf",
   "formats": [
    "web"
   ],
   "license": "Publisher's page; dimensions are facts",
   "license_verified": true,
   "hosted": false
  },
  {
   "publisher": "McMaster-Carr",
   "title": "PVC (Schedule 80) pipe, unthreaded (free STEP/IGES per part, for your own design use; no redistribution)",
   "url": "https://www.mcmaster.com/pvc-(schedule-80)-dark-gray-unthreaded-pipe",
   "formats": [
    "STEP",
    "IGES",
    "PDF"
   ],
   "license": "McMaster-Carr site terms: personal design use, no redistribution",
   "license_verified": false,
   "hosted": false
  },
  {
   "publisher": "McMaster-Carr",
   "title": "PVC (Schedule 80) pipe fittings (free STEP/IGES per part, for your own design use; no redistribution)",
   "url": "https://www.mcmaster.com/pvc-(schedule-80)-dark-gray-unthreaded-pipe-fittings",
   "formats": [
    "STEP",
    "IGES",
    "PDF"
   ],
   "license": "McMaster-Carr site terms: personal design use, no redistribution",
   "license_verified": false,
   "hosted": false
  },
  {
   "publisher": "McMaster-Carr",
   "title": "PVC (Schedule 40) fittings and pipe, UV-resistant (socket-connect elbows, tees, couplings) (free STEP/IGES per part, for your own design use; no redistribution)",
   "url": "https://www.mcmaster.com/products/uv-resistant-pvc-(schedule-40)-pipe-fittings-and-pipe/",
   "formats": [
    "STEP",
    "IGES",
    "PDF"
   ],
   "license": "McMaster-Carr site terms: personal design use, no redistribution",
   "license_verified": false,
   "hosted": false
  }
 ],
 "xem": {
  "status": "not-scanned",
  "sheet_free": true,
  "mesh_price_usd": null,
  "step_price_usd": null,
  "tolerance_mm": null
 },
 "related": [
  "schedule-40-pipe",
  "pvc-socket-dimensions-astm-d2466",
  "pvc-schedule-40-fittings-laying-lengths",
  "copper-pipe-type-l-m",
  "npt-thread-envelopes"
 ],
 "fits": [],
 "dimensions": "exact (nominal, no tolerance added)",
 "dimension_rule": "All geometry on Xem Studio is exact (nominal, true size) with no tolerance added. 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. Typical accuracy by process and ISO 286 fits: https://xemstudio.com/tolerances/",
 "mating": [],
 "faq": [
  {
   "q": "What is the OD of 1 in Schedule 80 PVC pipe?",
   "a": "1.315 in (33.40 mm), the same as Schedule 40; Sch 80 has a 0.179 in (4.55 mm) minimum wall and a 0.957 in (24.31 mm) ID."
  },
  {
   "q": "What is the difference between Sch 40 and Sch 80 PVC?",
   "a": "Wall thickness only: the OD is identical, so the same socket fittings fit. 1/2 in is 0.109 in thick in Sch 40 and 0.147 in in Sch 80."
  },
  {
   "q": "What is the ID of 2 in Schedule 40 PVC?",
   "a": "2.067 in (52.50 mm) with a 0.154 in minimum wall; Schedule 80 is 1.939 in (49.25 mm)."
  }
 ],
 "files_license": null,
 "offers": [],
 "markdown": "https://xemstudio.com/objects/pvc-schedule-40-80-pipe-od-and-wall/index.md"
}