Plywood Calculator

Start with project type, dimensions, and sheet size. Open advanced options for openings, metric units, custom sheets, waste, or sheet pricing.

Calculation mode

Start with project dimensions to estimate sheets, or start with sheets on hand to estimate coverage.

Waste 10% default Units Feet / sq ft Cost Off until price entered
Optional named starting points; preset buttons above fill these same values automatically.
Surface length: feet in imperial mode or meters in metric mode.
Surface width or height: feet in imperial mode or meters in metric mode.
Whole plywood sheets you already have for the Sheets → Area mode.
Choose a standard panel size, including metric presets, or choose Custom.
Advanced options
Openings Optional subtraction Waste Editable Price Optional
Imperial uses feet and square feet; metric uses meters and square meters.
Combined doors, windows, stair openings, or other gaps: square feet in imperial mode or square meters in metric mode.
Only used when Sheet size is Custom. Enter feet in imperial mode or meters in metric mode.
Only used when Sheet size is Custom. Enter feet in imperial mode or meters in metric mode.
Use about 10% for straight rectangular subfloor runs; 15–20% for angled cuts, cabinetry, or many obstacles.
Optional. Multiplies the rounded sheet count in Area → Sheets mode.
Answer 6 sheets
Sheets required 6
Net project area 168 sq ft
Area per sheet 32 sq ft · 2.97 m²
Estimated material cost —