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Plywood and drywall sheets: 4 × 8 ft at actual thickness (3/4 in plywood = 23/32 in)
How thick is 3/4 inch plywood really? · Standard part · basis: US sheet goods: plywood sold by nominal thickness is 1/32 in under (PS 1 / PS 2 performance-category sizes); gypsum board at its nominal thickness (ASTM C1396)
Exact dimensions. True size, with no printing tolerance added.
- sizes
- 9 in table
Notes
- Sheets 48 × 96 in (drywall also 48 × 144 in).
Sizes
| material | nominal_in | actual_in | actual_mm |
|---|---|---|---|
| plywood | 1/4 | 0.2188 | 5.56 |
| plywood | 3/8 | 0.3438 | 8.73 |
| plywood | 1/2 | 0.4688 | 11.91 |
| plywood | 5/8 | 0.5938 | 15.08 |
| plywood | 3/4 | 0.7188 | 18.26 |
| drywall | 1/4 | 0.25 | 6.35 |
| drywall | 3/8 | 0.375 | 9.52 |
| drywall | 1/2 | 0.5 | 12.7 |
| drywall | 5/8 | 0.625 | 15.88 |
Where the files are
Other publishers' files are linked, not hosted. "verify" = check the license at the link before commercial use.
| APA | Performance category and nominal thickness of plywood (PS 1 / PS 2) | standard | APA; dimensions are facts verify |
| ASTM | ASTM C1396 Gypsum board | standard | ASTM; dimensions are facts verify |
Free files
★ Free files 13 parts. Generated by Xem Studio from the standard; threads are plain cylinders at major diameter. CC BY 4.0. index.json
| plywood-1-4in-4x8ft | 1/4 in plywood, 4 × 8 ft: actual 0.2188 in (5.56 mm) | STEP · STL |
| plywood-3-8in-4x8ft | 3/8 in plywood, 4 × 8 ft: actual 0.3438 in (8.73 mm) | STEP · STL |
| plywood-1-2in-4x8ft | 1/2 in plywood, 4 × 8 ft: actual 0.4688 in (11.91 mm) | STEP · STL |
| plywood-5-8in-4x8ft | 5/8 in plywood, 4 × 8 ft: actual 0.5938 in (15.08 mm) | STEP · STL |
| plywood-3-4in-4x8ft | 3/4 in plywood, 4 × 8 ft: actual 0.7188 in (18.26 mm) | STEP · STL |
| drywall-1-4in-4x8ft | 1/4 in drywall, 4 × 8 ft | STEP · STL |
| drywall-1-4in-4x12ft | 1/4 in drywall, 4 × 12 ft | STEP · STL |
| drywall-3-8in-4x8ft | 3/8 in drywall, 4 × 8 ft | STEP · STL |
| drywall-3-8in-4x12ft | 3/8 in drywall, 4 × 12 ft | STEP · STL |
| drywall-1-2in-4x8ft | 1/2 in drywall, 4 × 8 ft | STEP · STL |
| drywall-1-2in-4x12ft | 1/2 in drywall, 4 × 12 ft | STEP · STL |
| drywall-5-8in-4x8ft | 5/8 in drywall, 4 × 8 ft | STEP · STL |
| drywall-5-8in-4x12ft | 5/8 in drywall, 4 × 12 ft | STEP · STL |
Let your AI pull this. Add
Set it up →https://xemstudio.com/mcp to Claude, ChatGPT, Cursor or any MCP client (free, no account, one minute) and it can look up exact sizes, mating fits and free STEP/STL from every chat.Plain text: sheet.txt · JSON: /api/geometry?object=plywood-and-drywall

Fits with
Questions
3/4 in plywood?
23/32 in (18.26 mm).
