Calculate how many plywood sheets you need for cabinets, bed platforms, and walls.
Standard size: 4x8 ft (32 sq ft) is most common for van builds.
Add 15% waste: Account for mistakes, odd shapes, and grain direction.
Baltic birch: 5x5 ft sheets, higher quality, more expensive.
Thickness: 1/2" for cabinets, 3/4" for bed platforms, 1/4" for walls.