1/2" Plywood to Millimeters — Conversion & Specifications
1/2" plywood in US trade terminology corresponds to 12mm or 13mm in metric measurement. The exact thickness is 0.4724 inches. The most common metric equivalents are 12mm and 13mm. When sourcing from Vietnamese manufacturers, specify the exact mm thickness for precision.
12mm Plywood Quick Reference
| Metric Thickness | 12 mm |
| Exact Inches | 0.4724" |
| Nearest Fraction | 15/32" |
| US Trade Name | 1/2" |
| 32nds of an Inch | 15/32" |
| Common Uses | Subfloor / Sheathing |
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▶What is 1/2" plywood in millimeters?
1/2" plywood corresponds to 12mm or 13mm in metric. The most common metric equivalents are 12mm and 13mm. Vietnamese plywood manufacturers produce to exact metric specifications.
▶What is the actual thickness of 1/2" plywood?
The actual measured thickness of nominal 1/2" plywood varies by origin. Import plywood from Vietnam is manufactured at exactly 12mm (0.4724"). North American domestic plywood may differ slightly due to sanding.
▶What is 1/2" plywood used for?
1/2" (12mm) plywood is commonly used for subfloor, wall sheathing, packaging.