Plywood & Sheathing Calculator
Sheets of plywood or OSB for a surface.
Planning a general contractor project?
Tell us what you need and local pros will get in touch. Free, no obligation.
Save your results to your home — free.Open the full tool →
How to use this calculator
- Enter the total area to cover.
- See 4×8 sheets needed.
- Add extra for cuts.
Tired of calling around? Post your project once and let local pros come to you.
Frequently asked questions
- How many square feet in a sheet of plywood?
- A standard 4×8 sheet of plywood or OSB covers 32 square feet.
- How much plywood waste should I plan for?
- Add about 10% for cuts, angles, and mistakes on most sheathing jobs.