3/8" Plywood to Millimeters — Conversion & Specifications
3/8" plywood in US trade terminology corresponds to 9mm or 10mm in metric measurement. The exact thickness is 0.3543 inches. The most common metric equivalents are 9mm and 10mm. When sourcing from Vietnamese manufacturers, specify the exact mm thickness for precision.
9mm Plywood Quick Reference
| Metric Thickness | 9 mm |
| Exact Inches | 0.3543" |
| Nearest Fraction | 23/64" |
| US Trade Name | 3/8" |
| 32nds of an Inch | 11/32" |
| Common Uses | Sheathing |
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▶What is 3/8" plywood in millimeters?
3/8" plywood corresponds to 9mm or 10mm in metric. The most common metric equivalents are 9mm and 10mm. Vietnamese plywood manufacturers produce to exact metric specifications.
▶What is the actual thickness of 3/8" plywood?
The actual measured thickness of nominal 3/8" plywood varies by origin. Import plywood from Vietnam is manufactured at exactly 9mm (0.3543"). North American domestic plywood may differ slightly due to sanding.
▶What is 3/8" plywood used for?
3/8" (9mm) plywood is commonly used for wall sheathing, roof decking, light shelving.